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Understand how pregnancy or early motherhood might affect cognition.

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Last Updated: Jan 29, 2019

Herbal viagra products are not the same as prescription Viagra.

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Last Updated: May 10, 2018

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Better research is needed to find out if limiting certain foods or food additives will help reduce hyperactivity and ADHD symptoms.

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Last Updated: Sep 28, 2017

Abnormal sperm morphology: How it affects male fertility and what you can do.

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Last Updated: May 2, 2018

Pregnancy after abortion — A Mayo Clinic specialist discusses whether abortion can cause infertility or pregnancy complications in a subsequent pregnancy.

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Last Updated: Jul 19, 2017

Acai berries are a good source of nutrients, but some health claims may go too far.

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Last Updated: May 2, 2018

Some research suggests that acetyl-L-carnitine may improve fatigue associated with multiple sclerosis.

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Last Updated: Jul 13, 2018

Acid reflux and GERD are closely related, but the terms aren't necessarily interchangeable.

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Last Updated: Jul 31, 2019

Learn what mistakes to avoid when caring for your skin with acne.

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Last Updated: Jun 6, 2019

Various procedures can improve acne scars, but no single treatment is best for everyone.

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Last Updated: Sep 20, 2018

Activity trackers are hugely popular, but do they help people lose weight? The evidence is mixed.

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Last Updated: May 23, 2019

Acupuncture for back pain — Can acupuncture treatments relieve back pain?

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Last Updated: Apr 23, 2019

Most cases of acute bronchitis are caused by viruses and are contagious. Learn ways to reduce your risk of catching viruses that can cause bronchitis.

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Last Updated: May 16, 2019

Find out about the causes and prevention of acute flaccid myelitis, a rare condition that causes sudden weakness in the arms or legs.

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Last Updated: Oct 23, 2018

Acute hepatitis C infection precedes chronic hepatitis C. Find out how acute hepatitis C develops and what the diagnosis means.

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Last Updated: Aug 9, 2017

Over-the-counter drugs may provide some relief from the symptoms of acute sinusitis.

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Last Updated: Nov 6, 2019

The Adiana system for female sterilization is no longer available. Learn the reason why.

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Last Updated: Aug 22, 2018

Adrenal fatigue is supposedly a mild form of adrenal insufficiency caused by chronic stress.

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Last Updated: Apr 12, 2017

Hormones likely play a role in adult acne. Can natural treatments help?

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Last Updated: Jan 17, 2018

Adult bed-wetting is uncommon and requires evaluation by a doctor. Learn about possible causes.

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Last Updated: Oct 5, 2017

For cardiovascular fitness, aerobic exercise can be done in short bursts or longer sessions.

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Last Updated: May 15, 2019

After a flood, don't eat foods or take medications that have come into contact with flood or contaminated water.

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Last Updated: Sep 7, 2017

An unsteady gait is a common side effect of aging. Here's what you can do about it.

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Last Updated: Oct 10, 2017

Concerned about changes in your skin? Here's what you need to know about aging skin.

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Last Updated: Mar 14, 2019

Air pollution and exercise — Take precautions for safer exercise, especially if you have health problems.

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Last Updated: Apr 12, 2017

Consider these commonsense guidelines to keep you and your baby safe.

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Last Updated: Feb 21, 2019

Know how air travel can affect your baby's ears and breathing, and what you can do to keep him or her comfortable.

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Last Updated: Oct 23, 2019

Albuterol side effects — Managing reactions to quick-relief asthma medication.

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Last Updated: Aug 31, 2019

Drinking too much alcohol can raise your blood pressure to unhealthy levels.

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Last Updated: Jan 9, 2019

Health claims about alkaline water abound, but plain water is usually best.

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Last Updated: Feb 8, 2018

Find out what allergy medications can help you manage allergies during pregnancy.

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Last Updated: Oct 23, 2019

The terms Alzheimer's disease and dementia are often used to mean the same thing — but here's the real difference between them.

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Last Updated: Feb 24, 2018

Caring for a loved one with Alzheimer's disease may change the holidays, but these tips can help you enjoy the celebration again.

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Last Updated: Feb 21, 2018

Regular exercise is your best bet for preventing Alzheimer's disease and improving cognitive function.

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Last Updated: Apr 20, 2019

Alzheimer's nose spray shows promise, but more research is needed.

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Last Updated: Jun 6, 2019

Alzheimer's prevention: Strategies for staying physically and mentally fit may be most effective.

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Last Updated: Apr 20, 2019

New experimental Alzheimer's tests may help detect the disease earlier.

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Last Updated: Apr 20, 2019

Alzheimer's — Learn about the benefits of the Mediterranean diet.

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Last Updated: Apr 20, 2019

Some research indicates a link between head injuries and Alzheimer's disease. So what's your risk?

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Last Updated: Apr 20, 2019

Zolpidem (Ambien) for insomnia is generally safe in the short term, but some people who take it may behave dangerously, such as driving while not awake.

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Last Updated: May 17, 2018

Try these prevention and treatment tips for ankle swelling during pregnancy.

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Last Updated: Jul 21, 2017

When you walk, skip the ankle weights and simply pick up the pace.

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Last Updated: Mar 16, 2018

Alcohol doesn't lower the effectiveness of most antibiotics. But it's still a good idea to avoid alcohol while taking antibiotics.

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Last Updated: Feb 6, 2018

Find out what you need to know about antibiotics and pregnancy.

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Last Updated: Oct 10, 2017

Antidepressant withdrawal is possible if you stop taking an antidepressant abruptly — but it's generally preventable.

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Last Updated: Jan 29, 2019

Combining antidepressants and alcohol can worsen depression and cause other problems.

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Last Updated: Jun 9, 2017

An antidepressant isn't always a direct cause of weight gain. Learn the other causes of weight gain when taking antidepressants and how to manage weight.

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Last Updated: Nov 17, 2018

Antidepressants: Reasons treatment stops working.

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Last Updated: Jan 31, 2018

Sexual side effects are common with antidepressants in both men and women, but there are options to prevent or reduce such side effects.

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Last Updated: Nov 15, 2017

Anxiety can cause dramatic, temporary increases in blood pressure.

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Last Updated: Jan 26, 2019

Aortic valve calcification — once thought a harmless condition — may be a sign of heart valve disease.

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Last Updated: Jan 26, 2019

Proponents tout apple cider vinegar as a weight-loss aid, but there's little proof that it works.

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Last Updated: May 16, 2018

Arcus senilis is a gray arc sometimes visible around the cornea in older adults.

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Last Updated: Sep 28, 2019

A Mayo Clinic specialist discusses the therapeutic use of essential oils.

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Last Updated: May 24, 2017

A Mayo Clinic specialist explains how artificial nails can affect your natural nails.

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Last Updated: Mar 27, 2018

Artificial sweeteners, also called sugar substitutes, offer the sweetness of sugar without the calories.

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Last Updated: Feb 12, 2019

Not all eyedrops are the same. Here's what to consider when choosing artificial tears for dry eyes.

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Last Updated: Feb 12, 2019

An aspirin allergy or sensitivity can cause serious symptoms.

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Last Updated: Jun 2, 2017

A Mayo Clinic specialist explains what you need to know about taking aspirin during pregnancy.

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Last Updated: Nov 28, 2018

Asthma and acid reflux: A Mayo Clinic expert discusses how acid reflux can worsen asthma.

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Last Updated: Mar 14, 2019

Asthma diet — Healthy-eating habits may reduce asthma symptoms.

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Last Updated: Jun 2, 2017

Replacing carpet with hard flooring may be a good idea if you have asthma.

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Last Updated: Apr 25, 2019

Menstruation and asthma flare-ups — How your monthly cycle can worsen your asthma.

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Last Updated: Jun 3, 2017

Atypical cells appear abnormal, but they aren't necessarily cancerous.

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Last Updated: Nov 3, 2018

Children with autism spectrum disorder often have other health issues, including problems related to digestion.

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Last Updated: May 21, 2019

There's no evidence that restrictive diets are an effective treatment for autism spectrum disorder.

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Last Updated: Nov 29, 2016

Chelation therapy is not an effective autism treatment, and it may be dangerous.

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Last Updated: Nov 23, 2016

Surgery is rarely needed to reattach a small chunk of bone when it gets pulled away from the main part of the bone by a tendon or ligament.

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Last Updated: Jul 1, 2017

Axona — Can a supplement treat Alzheimer's disease?

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Last Updated: Apr 20, 2019

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Baby Einstein videos might entertain your baby, but he or she will learn better through personal interaction.

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Last Updated: Oct 15, 2019

Find out when your baby's weight might be of concern and how to promote a healthy weight.

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Last Updated: Jul 28, 2018

Baby poop comes in various colors and textures. Know what to expect in your newborn's diapers.

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Last Updated: Feb 14, 2018

Understand the benefits of baby sign language.

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Last Updated: Mar 6, 2019

Follow these safety tips for using a baby sling.

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Last Updated: Jan 29, 2019

Understand when it's safe for a baby to wear sunscreen.

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Last Updated: May 24, 2019

Losing baby teeth is a major childhood milestone. Find out what to expect.

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Last Updated: Aug 14, 2019

Baby walkers — A Mayo Clinic specialist explains the dangers of using a baby walker.

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Last Updated: Jul 23, 2019

Baby's sex — A Mayo Clinic specialist explains the science behind influencing a baby's sex.

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Last Updated: Oct 8, 2019

Find out what causes back labor and how to manage it.

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Last Updated: Feb 20, 2018

For back pain relief, an ergonomic chair is generally better than an exercise ball.

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Last Updated: Apr 20, 2019

Understand the differences between bacterial infections and viral infections.

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Last Updated: Sep 7, 2017

A tongue scraper may reduce bad breath temporarily, but proper dental hygiene remains essential.

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Last Updated: Nov 28, 2018

It can be difficult to find ways to balance work and life responsibilities. Find a few ways you can manage stress and manage your time.

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Last Updated: May 23, 2019

Barefoot running shoes are designed to protect your feet while mimicking the mechanics of barefoot running.

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Last Updated: Aug 9, 2017

Barrel chest isn't a disease, but it may indicate an underlying condition, such as chronic obstructive pulmonary disease (COPD).

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Last Updated: Mar 27, 2019

Find out what happens if you need to go to the bathroom during labor.

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Last Updated: Oct 23, 2019

Being bilingual may have a protective effect against the symptoms of Alzheimer's disease.

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Last Updated: Apr 20, 2019

Weight gain can occur as a side effect of some beta blockers.

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Last Updated: Jan 26, 2019

If you take beta blockers, you may need to adjust your target heart rate.

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Last Updated: Jan 26, 2019

Bezoars are masses of organic and inorganic matter trapped in the digestive system.

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Last Updated: Aug 7, 2019

There's no evidence that bioidentical hormones are safer than standard hormone therapy for menopause.

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Last Updated: Jan 19, 2018

The link isn't clearly understood, but these disorders often occur together. Get help from a mental health professional who's an expert in both disorders.

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Last Updated: Apr 4, 2019

Although bipolar disorder usually affects adults, bipolar disorder in children and teenagers is possible. Early diagnosis and treatment can help.

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Last Updated: Jan 4, 2017

Some medications used to treat bipolar disorder can increase your appetite or cause changes in metabolism leading to weight gain.

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Last Updated: Jan 31, 2018

Bipolar I and bipolar II are different disorders, but treatment is similar.

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Last Updated: Feb 14, 2018

Birth controls pills for acne may be helpful in some women. Learn more.

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Last Updated: Jul 27, 2017

Get a doctor's advice about risks if you took the birth control pill before you knew you were pregnant.

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Last Updated: Jul 15, 2017

If you're otherwise healthy, birth control pills generally can be taken as long as you need birth control.

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Last Updated: Feb 14, 2018

Pre-ejaculation fluid can cause pregnancy — which makes withdrawal an unreliable method of birth control.

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Last Updated: Oct 5, 2017

Bitter orange is a common ingredient in weight-loss supplements but poses risks because of its stimulant-like effects.

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Last Updated: Mar 3, 2018

Although women are more likely to get bladder infections, men can get them, too. Learn about signs and symptoms and possible causes.

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Last Updated: May 12, 2018

Find out more about the causes of male bladder outlet obstruction and possible next steps.

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Last Updated: May 9, 2019

Light vaginal bleeding after hysterectomy is common; it may occur for several days or several weeks.

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Last Updated: May 7, 2019

Vaginal bleeding after menopause isn't normal and should be evaluated by your doctor.

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Last Updated: Jul 13, 2018

A Mayo Clinic specialist explains what's behind this type of early pregnancy loss.

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Last Updated: Aug 15, 2019

Blood clots during menstruation can be normal, but passing large clots may be a sign that something's wrong.

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Last Updated: Feb 6, 2019

Blood glucose monitors — Consider these factors when measuring blood sugar levels.

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Last Updated: Feb 9, 2018

The term 'blood poisoning' most often refers to bacteria in the blood (bacteremia).

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Last Updated: May 17, 2018

Accurate blood pressure readings depend on the proper size blood pressure cuff.

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Last Updated: Jul 31, 2019

Losing weight may reduce — or eliminate — your need for blood pressure medication.

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Last Updated: Jan 9, 2019

Some blood pressure medications can increase triglyceride levels. Find out more.

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Last Updated: Jan 9, 2019

Blood pressure that consistently measures higher outside the doctor's office is called masked hypertension.

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Last Updated: Jun 28, 2019

A small difference in blood pressure readings between arms usually isn't a worry. But a large difference can be a warning sign of a health problem.

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Last Updated: Jan 9, 2019

Like many body functions, blood pressure has a daily pattern. Find out more.

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Last Updated: Jan 9, 2019

Blood pressure generally is higher in the winter than in the summer. Discover why.

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Last Updated: Jan 9, 2019

Unexplained changes in blood sugar levels can be the result of hormonal fluctuations brought on by illness, injury and stress.

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Last Updated: May 16, 2018

Blood thinners must be taken exactly as directed to prevent blood clots.

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Last Updated: Dec 20, 2017

Body fat can be measured with hand-held body fat analyzers, but accuracy varies.

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Last Updated: Jan 19, 2018

Body fat breaks down during a series of complex metabolic processes.

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Last Updated: Dec 16, 2017

Body weight training — Try out this alternative form of strength training.

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Last Updated: Apr 17, 2018

Botox injections into arthritic joints may help reduce pain and improve function. The medicine works by interfering with the transmission of pain signals.

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Last Updated: Aug 7, 2019

Understand the potential risks associated with getting treatments at a Botox party.

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Last Updated: Feb 16, 2018

Tempted to skip breakfast to save calories? You may actually be sabotaging your weight control.

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Last Updated: Aug 18, 2018

Dry skin after breast cancer radiation is fairly common. These suggestions may help.

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Last Updated: Mar 28, 2019

Too much caffeine may possibly increase your risk of breast discomfort.

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Last Updated: Jul 25, 2019

Concerned about a link between breast implants and cancer? Get the facts.

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Last Updated: Jul 27, 2019

Breast implants can interfere with your mammogram. Learn what you can do to make breast cancer screening more successful.

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Last Updated: Jul 19, 2017

Breast milk sharing can be a great gift, but there are risks involved. Know the steps you can take to ensure the safety of donated breast milk.

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Last Updated: Oct 4, 2019

A Mayo Clinic specialist discusses how alcohol affects breast milk.

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Last Updated: Jul 3, 2019

What's the connection between breast-feeding and weight loss? A Mayo Clinic specialist explains.

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Last Updated: Jun 10, 2017

Breast-feeding strike — A Mayo Clinic specialist explains why babies sometimes refuse to breast-feed and what to do about it.

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Last Updated: Apr 5, 2018

Breast-feeding while pregnant — A Mayo Clinic specialist explains whether it's safe.

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Last Updated: Apr 7, 2018

Brominated vegetable oil (BVO) is banned from use in food in many countries, so why is it still being used in some soft drinks sold in the U.S.?

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Last Updated: May 10, 2019

Living with a chronic disease such as diabetes can be stressful and demanding. Arm yourself with the power of resilience.

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Last Updated: May 23, 2019

Compared with a bulging disk, a herniated disk is more likely to cause pain because it protrudes farther and is more likely to compress nerve roots.

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Last Updated: Apr 23, 2019

Even a minor injury to the scalp or forehead can cause a large lump. Find out when it's time to see a doctor.

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Last Updated: Apr 23, 2019

Margarine usually tops butter for heart health. But not all margarines are created equal.

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Last Updated: Jun 29, 2018

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Learn why doctors generally don't recommend a CA 125 test for ovarian cancer screening.

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Last Updated: Nov 2, 2018

Interested in using CBD? Here's what you need to know about the risks and benefits of using this drug.

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Last Updated: Dec 20, 2018

CT scans create detailed pictures of body tissue. Is the information gained from these imaging tests worth a small potential increase in cancer risk?

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Last Updated: Mar 6, 2018

The cabbage soup diet promises speedy weight loss. Before you go all in, understand the pros and cons of this fad diet.

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Last Updated: Aug 29, 2019

Caffeine and depression are not directly linked, but there can be an indirect connection.

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Last Updated: Sep 21, 2017

Coffee, tea and other caffeinated drinks may worsen menopausal hot flashes and other vasomotor symptoms.

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Last Updated: Nov 8, 2017

Caffeine may help you lose a little weight, but it also comes with some downsides.

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Last Updated: Mar 7, 2017

For some people with diabetes, as much as one cup of coffee can cause higher or lower blood sugar levels. Learn how caffeine affects your blood sugar.

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Last Updated: Feb 20, 2018

Caffeine can temporarily increase blood pressure, but its long-term effects on blood pressure are unclear.

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Last Updated: Jan 26, 2019

Caffeinated drinks usually won't dehydrate you, but water is still your best option.

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Last Updated: Sep 12, 2017

Learn about the possible link between calcium supplements and heart attacks.

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Last Updated: Oct 25, 2019

Do guys need calcium supplements for bone health?

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Last Updated: Oct 5, 2018

In large amounts, calcium supplements may interfere with certain blood pressure medications.

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Last Updated: Jan 9, 2019

Timing matters when it comes to calcium supplements. Find out what factors affect when you should take calcium.

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Last Updated: Sep 15, 2018

Calories in sushi vary depending on what's paired with the rice. Use these tips to make smart choices when you're watching calories.

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Last Updated: May 21, 2019

Don't rely solely on yoga for weight loss. Add aerobic activities to burn more calories.

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Last Updated: Jan 15, 2019

Some arthritis pain medications raise blood pressure more sharply than others do.

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Last Updated: Jul 25, 2017

It may be possible to protect your baby from the pain and irritation of this skin rash that affects infants.

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Last Updated: Feb 1, 2019

No specific diet or exercise plan prevents Alzheimer's disease — but eating well and staying fit still impacts your mental and physical health.

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Last Updated: Feb 20, 2018

A Mayo Clinic specialist discusses the possible benefits of music for people with Alzheimer's disease.

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Last Updated: Apr 20, 2019

Find out how vaginal seeding after a C-section is used to transfer vaginal fluids to a newborn — and the possible risks.

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Last Updated: Oct 4, 2019

Find out what labor techniques might help prevent severe vaginal tearing during childbirth.

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Last Updated: May 11, 2018

There's mixed evidence on whether vitamins can prevent heart disease. Find out more.

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Last Updated: Jan 9, 2019

Find out if eating whole-grain foods can lower blood pressure.

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Last Updated: Jan 26, 2019

Yoga focuses on mental and physical wellness, and it might help Alzheimer's caregivers cope with stress.

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Last Updated: May 22, 2019

You don’t need a special diet after gallbladder removal. Some simple changes in eating habits may help you avoid digestive problems.

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Last Updated: May 30, 2018

Heard the buzz about honey for allergies? Find out if this home remedy works.

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Last Updated: Apr 30, 2019

Candida cleanse diets allegedly remove fungus from your intestines by eliminating its food source.

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Last Updated: Sep 6, 2017

Could cannabis help with your MS symptoms?

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Last Updated: Sep 16, 2017

Pumpkins are a nutritional powerhouse, whether you choose fresh pumpkin or the canned variety.

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Last Updated: Oct 19, 2017

Health concerns about canola oil abound on the internet but are unfounded.

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Last Updated: Feb 20, 2019

Carefully planned pre-trip meals, air ventilation and distractions might help prevent car sickness in children.

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Last Updated: Jun 22, 2018

Cardiac asthma refers to wheezing that's a sign of heart failure.

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Last Updated: Jan 26, 2019

Caring for a loved one with diabetes can be a challenge. Tips include getting the facts, working as a team and being patient.

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Last Updated: May 8, 2018

Carpal tunnel exercises may be helpful, but they aren't used alone.

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Last Updated: Jun 13, 2017

Laser-assisted cataract surgery is an advanced approach used to help people with astigmatism.

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Last Updated: Apr 5, 2017

Sometimes the capsule that holds the artificial lens becomes cloudy after cataract surgery.

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Last Updated: Mar 4, 2017

Getting enough grains in your diet can be challenging if you have celiac disease.

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Last Updated: Apr 30, 2019

Gluten can't be absorbed through the skin, although this is a common misperception. Learn more.

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Last Updated: Jan 31, 2018

A Mayo Clinic specialist discusses the controversial topic of cellphones and cancer.

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Last Updated: Dec 12, 2018

Cellulitis — a common, potentially serious bacterial skin infection — is not directly contagious.

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Last Updated: Apr 4, 2018

Learn to treat and prevent recurrent cellulitis.

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Last Updated: Jan 9, 2019

Cervical cysts usually aren't cancerous. Some types of cervical cysts are so common that they're considered a normal feature of cervical anatomy.

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Last Updated: Feb 8, 2017

Learn what to expect if a recent Pap test showed abnormal cells on the surface of your cervix (cervical dysplasia).

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Last Updated: Nov 2, 2018

If your cervical length during pregnancy shortens too soon, you might be at increased risk of preterm labor.

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Last Updated: May 10, 2018

Learn how to prevent and treat chapped lips.

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Last Updated: Nov 29, 2018

Chelation therapy for heart disease — Find out more about this treatment.

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Last Updated: Aug 21, 2019

Chemotherapy and sex aren't mutually exclusive, as long as you're feeling up to it.

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Last Updated: Jan 8, 2019

Chemotherapy side effects may include a risk of heart problems, including weakened heart muscle (cardiomyopathy) and heart rhythm problems (arrhythmia).

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Last Updated: Dec 8, 2018

Understand the risks posed by chickenpox during pregnancy.

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Last Updated: Jan 8, 2019

Child growth — Find out how you can estimate your child's adult height.

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Last Updated: Nov 6, 2019

A high cholesterol level is unhealthy — rarely, very low cholesterol may pose risks, too.

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Last Updated: Nov 28, 2018

Non-HDL cholesterol may be more important than cholesterol ratio.

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Last Updated: Feb 20, 2018

Home cholesterol test kits are often as accurate as the test your doctor uses, but it can depend on how precisely you follow the directions for the test.

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Last Updated: Mar 28, 2019

When it comes to sunglasses, UV protection matters. Here's why.

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Last Updated: Jun 6, 2019

Chronic bladder infection is a painful, frustrating problem. Learn about causes and treatments.

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Last Updated: Oct 5, 2019

Diarrhea is fairly common after gallbladder removal. Find out what to expect.

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Last Updated: Apr 5, 2017

Researchers have evaluated a variety of natural products for effectiveness against chronic fatigue syndrome. Most results have been disappointing.

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Last Updated: Apr 25, 2019

Chronic stress — A possible factor in the development of depression.

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Last Updated: Nov 29, 2017

Despite what you might think, cigars aren't that different from cigarettes. Like cigarettes, cigars contain nicotine, tobacco and cancer-causing chemicals.

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Last Updated: Jul 13, 2016

The term "clinical depression" means severe, persistent depression. It's also called major depression or major depressive disorder.

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Last Updated: May 13, 2017

Cochlear implants can help improve hearing if you have moderate to profound nerve deafness.

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Last Updated: Oct 11, 2019

This oil has been touted by some as a cure for hypothyroidism. Truth or hype?

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Last Updated: Dec 5, 2018

Interest in coconut water has skyrocketed. It's promoted as 'super hydrating,' but is it really any better than plain water?

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Last Updated: Aug 3, 2019

Coenzyme Q10 might help reduce the muscle aches some people experience while taking cholesterol-lowering drugs known as statins.

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Last Updated: Nov 11, 2016

Has coffee gotten a bum rap? Can it be part of a healthy diet?

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Last Updated: Mar 4, 2017

Plain coffee has only a few calories. But the calories jump up when you start adding extras.

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Last Updated: Mar 8, 2017

Some viruses are more resilient than you may think. Learn more about how they spread and how to protect yourself.

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Last Updated: Feb 2, 2018

Although colds and seasonal allergies share some of the same symptoms, they are very different diseases. Learn how to tell the difference.

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Last Updated: Jan 30, 2018

Some people believe that drinking milk increases phlegm production when you have a cold.

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Last Updated: Feb 28, 2019

Debunking the health claims about colloidal silver.

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Last Updated: Sep 6, 2017

Some groups recommend people over 75 may consider stopping colon cancer screening. Not everyone agrees. Learn about your colon cancer screening options.

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Last Updated: Nov 2, 2018

Get the facts before trying this technique that's popular among some alternative medicine practitioners who claim it has numerous health benefits.

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Last Updated: Apr 26, 2018

Whether your child's concussion is mild or severe, it's important to allow time to recover.

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Last Updated: Apr 20, 2019

Abnormal mammogram results don't necessarily mean you have breast cancer.

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Last Updated: Jun 23, 2018

Manage your emails and make good use of your time with these tips.

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Last Updated: Jan 31, 2018

Coping with anxiety is a challenge. Eating habits may play a role.

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Last Updated: May 24, 2017

With all the information available, it can be overwhelming. Be selective about what information you take in.

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Last Updated: Jan 31, 2018

Pain is common after mastectomy and other breast cancer operations. Find out what causes it and learn about treatment options.

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Last Updated: Apr 2, 2019

Cord blood banking — Understand the difference between public and private cord blood donation.

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Last Updated: Apr 11, 2017

Corn syrup for constipation isn't likely to be effective for infants.

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Last Updated: May 2, 2018

The best treatment for coronary artery disease varies, depending on the circumstances.

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Last Updated: Jan 9, 2019

Coronary artery spasm is a sudden, temporary tightening of the muscles in the wall of an artery that sends blood to your heart.

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Last Updated: Jan 9, 2019

Coughing after you quit smoking might be a sign that your body is starting to heal.

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Last Updated: Jan 15, 2019

Couvade — A Mayo Clinic specialist discusses men and sympathetic pregnancy.

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Last Updated: Jun 13, 2019

Coxsackievirus usually produces only mild symptoms, but in some cases, meningitis can result.

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Last Updated: Jul 19, 2017

Craving and chewing ice (pagophagia) is often associated with iron deficiency with or without anemia.

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Last Updated: Mar 9, 2018

Fatigue is a fairly common Crohn's disease symptom. Learn about causes, treatments.

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Last Updated: Nov 3, 2018

Cryptogenic organizing pneumonia affects your lungs' small airways and air-exchange sacs.

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Last Updated: Sep 25, 2018

Cupping is one of many alternative therapies used to help relieve fibromyalgia pain.

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Last Updated: Apr 19, 2017

Some research suggests that curcumin may help prevent or treat cancer.

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Last Updated: Nov 3, 2018

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Learn the meaning behind various expiration dates found on food packages, including 'sell by' date and 'best if used by' dates.

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Last Updated: Jun 4, 2019

Degenerative changes in the spine visible on X-ray indicate osteoarthritis of the spine.

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Last Updated: Feb 25, 2017

Understanding the causes and types of demyelinating disease, like multiple sclerosis, can help guide treatment decisions and manage symptoms.

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Last Updated: Jun 30, 2017

Dental braces are recommended for many children — When is the best time to start?

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Last Updated: Apr 7, 2017

If metal dental fillings are defective or show decay, they should be replaced.

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Last Updated: Nov 29, 2016

Standard dental floss is generally considered the most effective tool for cleaning between the teeth.

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Last Updated: Apr 20, 2018

Dental work during pregnancy — A Mayo Clinic specialist discusses what's safe.

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Last Updated: May 2, 2018

Here are best practices for the care and cleaning of removable partial or full dentures.

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Last Updated: Nov 16, 2017

Depression and anxiety commonly occur together and have similar treatments: counseling (psychotherapy) or medication, such as antidepressants, or both.

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Last Updated: Jun 2, 2017

Detox diets are popular, but they're unproven and may have side effects.

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Last Updated: Apr 27, 2018

Do detox foot pads really draw toxins out of your body while you sleep?

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Last Updated: May 19, 2018

Diabetes and depression can occur together. Here's what you need to know.

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Learn about fasting with diabetes during Ramadan, including potential risks and how to manage your diabetes.

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Learn what you can do to protect your feet if you have diabetes.

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Warm temperatures require extra precautions for people with diabetes.

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Last Updated: Apr 17, 2018

If you have diabetes and are traveling, plan ahead. Talk to your health care provider, pack carefully and know about airport security.

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Last Updated: Apr 25, 2018

It's a common myth that you shouldn't eat certain foods if you have diabetes.

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Last Updated: Aug 8, 2017

Generally, there's no advantage to substituting honey for sugar in a diabetes eating plan.

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Last Updated: Aug 8, 2019

Aspirin therapy may not be needed if you have diabetes but don't have heart problems.

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Last Updated: Oct 16, 2019

Learn what cinnamon's role may be as part of a broader diabetes treatment plan.

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Electric blankets are generally discouraged if you have diabetes.

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Alcohol and tobacco use increases your risk of diabetes. Find out how.

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How to care for your liver if you have diabetes.

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Find out why diastasis recti occurs and what you can do about it.

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Bladder control problems are common in aging. Drinking less may help, but what other steps can you try?

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Diet soda may help you cut calories, but other low-calorie options abound.

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Last Updated: Nov 30, 2018

Dieting means watching what you eat — and drink. Drink plenty of water but limit sugary drinks and dairy to keep calories under control.

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Digestion takes about 50 hours on average, less for children, longer for women.

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Baby teeth can become discolored for many reasons, including inadequate brushing, medications and illness.

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Find out what causes discolored semen.

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Disk replacement is a relatively new treatment option for degenerative disk disease.

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Diuretics and gout can be related because the medication may raise uric acid in your blood. It's usually possible to avoid this side effect, though.

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Last Updated: Sep 16, 2017

Diuretics are medications commonly used to treat high blood pressure. A side effect of some diuretics is low potassium.

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Once considered off-limits, nuts and seeds can be part of a diet to reduce the risk of diverticulitis.

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Contrary to popular belief, no specific foods are known to trigger diverticulitis attacks.

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Cortisol blockers claim to help with weight loss, but do they deliver? The evidence is slim at best.

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How is an infrared sauna different from a traditional sauna? Light provides the heat.

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Scent-based weight-loss products claim to decrease appetite, but the proof is slim.

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You know the benefits of vitamin C include combating colds. But did you know that vitamin C might also help improve your mood?

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Despite the hype, toning shoes aren't a substitute for good old exercise.

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Atrial fibrillation is a common heart disorder that may sometimes be inherited. Find out more.

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Last Updated: Jan 26, 2019

Learn how your risk of developing a common heart rhythm disorder called atrial fibrillation can increase as you become older.

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Last Updated: Jan 26, 2019

Have you heard about prickly pear cactus? Find out about some surprising health benefits of this versatile plant.

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Soy foods reduce the risk of breast cancer, but more research is needed to determine whether soy supplements are equally beneficial.

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Wondering whether sunscreen expires? Get the facts about how long sunscreen lasts.

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A Doppler ultrasound measures blood flow and pressure in blood vessels.

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Find out how a doula might be helpful during pregnancy, childbirth and recovery.

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Your hepatitis C infection has been cured, but drinking alcohol can still be risky. Find out why.

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Dry mouth: If you have dry mouth, try these tips for relief.

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E. coli doesn't affect the way a food looks, smells or tastes.

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Learn about the dangers of this earwax removal technique.

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Ear stapling isn't an effective weight-loss strategy.

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Early HIV signs and symptoms may include fever, fatigue and swollen lymph glands. Learn more.

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Early hepatitis C sometimes goes away without becoming a chronic liver infection. But how often does that happen?

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Early miscarriage is usually caused by an abnormality with the baby — not maternal stress.

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Find out more about a virus spread to people by mosquitoes, its symptoms and ways to prevent being infected with it.

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Despite claims of benefits, eating your placenta after giving birth can be harmful to you and your baby.

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Ebola virus: A Mayo Clinic expert explains how the virus spreads

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Echinacea may slightly reduce the duration and severity of cold symptoms, but the effect may be too minor to notice.

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A diluted bleach bath may help treat chronic eczema.

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Get the straight facts about eggs and cholesterol.

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Ejection fraction is a measurement of how well your heart is pumping.

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Elder care can provide caregivers a break or allow them to work. Find out how to select an elder care provider for your loved one with Alzheimer's.

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Find out the possible benefits of using an electric toothbrush.

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Used correctly, elliptical machines can be a safe part of your exercise routine.

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There is no cure for multiple sclerosis, but promising research offers hope for new ways to slow and perhaps reverse the effects of this disease.

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Endometriosis and ovarian cancer are linked, but the relationship isn't straight cause and effect.

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Energy drinks may give you a temporary energy boost — but it doesn't last long.

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Lifestyle factors such as diet appear to play a role in benign prostatic hyperplasia (BPH). See what lifestyle changes may help with symptoms.

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Enterovirus D68 infections are on the rise, mostly among children. Know the symptoms and what you can do.

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Generally, you can receive only a limited number of epidural steroid injections a year.

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Find out what role your partner can play in the treatment of your erectile dysfunction.

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The manufacturer of the Essure system plans to halt production of this birth control device that leads to permanent sterilization in women.

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Could estriol be a potential treatment for multiple sclerosis (MS)?

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Play it smart. Ease up on exercise if you have a cold.

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Reduce your multiple sclerosis symptoms through exercise.

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Here's what you need to know about your heart rate, pacing, and when to take precautions.

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Find out how much exercise you need and how to get it.

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Having trouble finding time to exercise during the day? Try taking the stairs!

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Eye dilation is part of a comprehensive eye exam. How often you need it depends on your age and health risks.

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A laser retina scan can complement a traditional eye exam, but it's usually not necessary.

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Some supplements are marketed as 'eye vitamins' that help protect your eyes against glaucoma. Is there any truth to these claims?

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Fainting during or immediately after urination (micturition syncope) is a rare occurrence in healthy individuals.

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Here's what to consider after a fall during pregnancy, including when to seek medical attention.

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Pregnancy may be possible with one fallopian tube.

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Eating family meals can have health benefits. Just keep the electronics turned off during the meal.

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Experts have long counseled against fast weight loss. But is that advice out of date?

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Last Updated: Jul 7, 2017

Periodically following a fasting diet may have heart-health benefits. Find out more.

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Knowing how much fat is in the foods you eat can help you meet your health and nutrition goals.

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Learn tips to become a more-confident public speaker

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Female orgasm can be difficult to achieve during vaginal intercourse.

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Fiber supplements are one tool for adding fiber to your diet and easing constipation. Here are some tips for using them safely.

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Last Updated: Oct 25, 2018

Fibrocystic breast changes are common and not linked to increased risk of breast cancer.

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Fibromyalgia treatment — Gabapentin may be effective for some people.

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Fibromyalgia symptoms may be reduced by acupuncture treatments.

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Fibromyalgia often co-exists with several other painful conditions, which may be related to how your body processes pain signals.

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Is it safe to take fingolimod for multiple sclerosis if I'm pregnant?

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PCBs are chemicals that can contaminate lakes, streams and rivers, and the fish that live there. Learn to choose and prepare fish to limit your exposure.

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For some adults, fish oil supplements may help with depression if used under a doctor's supervision along with other types of treatment for depression.

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Understand what a fitness ball can do for your abs and how to get started using this fitness tool.

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Learn what foods are featured in this diet that promises to help you lose weight from your mid-section

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Want a flat stomach? Diet and exercise — not undergarments — are what count.

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Does flaxseed reduce prostate cancer risk? Researchers are still looking for the answer.

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Nutrition experts recommend ground flaxseed over whole flaxseed. Find out why.

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Find out about the safety of antiviral flu medication during pregnancy.

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Flu masks and hand hygiene might help protect you from the flu.

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Last Updated: Apr 18, 2019

Will you be pregnant during flu season? A flu shot is safe — and it protects both you and your baby.

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The flu shot protects against influenza, which is different from the stomach flu (gastroenteritis).

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Find out the latest recommendations for childhood flu vaccines.

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If you're at high risk of flu complications, see your doctor when experiencing flu symptoms.

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If you have egg allergy, you still may be able to receive the flu vaccine.

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Fluzone High-Dose is a flu vaccine for older people.

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Persistently foamy urine can be a sign of protein in your urine (proteinuria) and could be an indicator of kidney disease.

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Several studies have looked at the benefit of folic acid supplements on cognitive decline.

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Might you have to swear off milkshakes for good? Follow the symptom clues to find out whether you possibly have a food allergy or a food intolerance.

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Feeling itchy after that shrimp scampi? Food allergies usually occur during childhood — but they can appear at any age.

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Prevent food poisoning with these food safety tips for handling and reheating leftover food.

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Foods and sleep — How to snack and what to avoid.

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A healthy diet might promote healthy skin. Consider these skin-friendly foods.

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Leg and foot swelling during air travel is common and usually harmless.

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Your results from a free blood pressure monitoring machine may not be accurate.

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Last Updated: Jan 26, 2019

Some studies have suggested that frequent ejaculation may reduce the risk of prostate cancer.

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Last Updated: Nov 2, 2018

Fructose is a sugar found naturally in fruits, fruit juices, some vegetables and honey. Learn which foods to avoid if you have fructose intolerance.

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Fruit juice can be a healthy part of a child's diet — if you choose carefully.

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Fundal height — Understand how this pregnancy measurement is taken and what it means.

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Last Updated: Mar 4, 2017

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Certain medications can aggravate symptoms of gastroesophageal reflux disease (GERD). Learn more.

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Last Updated: Jan 31, 2018

Noninsulin injectable medications for diabetes improve blood sugar control and may also support weight loss.

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A gallbladder cleanse is a popular alternative remedy for gallstones. But does it work?

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Last Updated: May 22, 2018

The size of gallbladder polyps can be a useful predictor of whether they're cancerous.

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After gastric bypass surgery, diet and exercise are crucial for maintaining your weight loss.

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Gene expression profiling tests are designed to help plan adjuvant therapy for early-stage breast cancer.

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Last Updated: Nov 2, 2018

It's unlikely you would get genital herpes or a similar infection from a toilet seat.

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Ginger is being studied for possible benefit in treating chemotherapy-induced nausea.

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Ginkgo biloba is said to prevent memory loss, but study results suggest otherwise.

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Taking glucosamine isn't likely to have any effect on gout — either good or bad.

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Does glucosamine affect blood sugar in people with type 2 diabetes?

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Glucosamine manufacturers claim their products slow or stop cartilage damage in osteoarthritis.

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Some people with diabetes use the glycemic index (GI) as a guide in selecting foods.

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Read more about this small, usually harmless area of inflammation that often shows up incidentally when you have a test for another reason.

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Last Updated: Sep 26, 2018

Grapes and grape juice contain antioxidants. So can you drink grape juice instead of wine for the health benefits?

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Last Updated: Jul 18, 2017

Grapefruit and other citrus can be a problem if you take prescription medicines.

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Grass-fed beef may have heart-health benefits that conventional beef doesn't. Find out more.

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Rarely, people with Graves' disease develop a skin condition called Graves' dermopathy (pretibial myxedema).

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Crying is often an important part of the grieving process — but not always.

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Is the HCG diet a safe way to shed pounds?

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HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.

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Learn what types of cancer HPV can cause in men, and how you can reduce your risk.

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Cervical cancer is most often caused by a genital human papillomavirus (HPV) infection.

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Follow these safety precautions if you color your hair during pregnancy.

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You know the value of hand washing, but did you know hand drying matters too? Why? Wet hands more easily spread germs.

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Hand swelling during exercise is a common problem, but rarely serious enough to disrupt your routine.

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Drinking lighter colored drinks is not a good method of hangover prevention, but it may help a little.

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Products that claim to prevent head lice are usually not supported by science.

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Headaches during pregnancy are common. Here's help easing the pain.

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Healthy chocolate? Yes! In moderation, chocolate — especially dark chocolate — may help prevent heart disease.

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Preventing heart disease begins with small steps. Find out more about maintaining a healthy heart.

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Last Updated: Jan 9, 2019

It's possible that secondhand smoke can irritate your arteries, increasing your heart attack risk.

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Last Updated: Jan 25, 2018

Although heart tumors do occur, the vast majority of them are noncancerous (benign).

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Last Updated: Jan 9, 2019

Taking care of your teeth hasn't been proved a key to heart disease prevention.

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Many with heart failure worry that sex might harm their heart. How do you know when it's OK to be intimate? Cardiac rehab and counseling can help.

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A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.

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Acid-controlling medications may do more than prevent heartburn. They may also interfere with vitamin B-12 absorption.

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Heavy periods may cause iron deficiency anemia, which folic acid supplements can't treat.

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Heel spurs — Bony growths not necessarily the cause of your heel pain.

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Know how to relieve painful, swollen veins in the anus and rectum during pregnancy.

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Although hepatitis C is highly contagious, the risk of sexual transmission is very low.

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End-stage complications of hepatitis C include liver failure and liver cancer.

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Herbal treatment for anxiety: A Mayo Clinic expert discusses safety and effectiveness.

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There's no good evidence that so-called fertility herbs and supplements actually improve fertility.

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A hernia truss can temporarily ease discomfort, but medical care is needed for a painful hernia.

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Among cold remedies, decongestants cause the most concern for people who have high blood pressure.

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Treatment of high cholesterol in children is controversial, but is a growing concern.

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Can cinnamon lower cholesterol?

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High-dose vitamin C has been touted by some as an effective alternative cancer treatment.

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Today's hearing aids are effective for all types of hearing loss — including high-frequency hearing loss.

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Too much added sugar, including high-fructose corn syrup, can affect your health.

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Considering a high-protein diet for weight loss? Understand the precautions first.

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Hip resurfacing uses a metal-on-metal prosthesis, which can cause health problems in some people.

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Learn how doctors determine your type of lymphoma using lab tests to examine cancer cells.

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A study in children with the common cold suggests that honey may help calm coughs.

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Hoodia manufacturers claim the supplement controls appetite, but where's the evidence to back up these claims?

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Hookah smoking may be more harmful than smoking cigarettes. Find out why.

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Some forms of menopause hormone therapy may cause vaginal bleeding. Learn more.

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Dressing in layers, keeping cool and avoiding known triggers are among the lifestyle strategies you can try for hot flash relief.

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If you're a caregiver of a loved one with Alzheimer's disease, guilt is a common feeling. Forgive yourself to move forward with your duties and improve your emotional health.

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Researchers have uncovered a type of body fat, dubbed brown fat, that appears to burn regular fat.

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Last Updated: Nov 7, 2018

Wonder how many hours of sleep are enough? A Mayo Clinic specialist offers guidelines.

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Understand the do's and don'ts of tummy time for babies.

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Learn self-care tips for healing cracked heels.

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Learn how to treat the tiny, painful cracks that can form on the thumb tip when your skin is very dry.

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Learn what you can do at home if your ear new piercing becomes infected.

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Learn simple remedies to easing your baby's discomfort from the pain and irritation of this skin rash.

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To lower your risk of foodborne illness, follow these five steps for washing fresh fruits and vegetables without the use of soap or produce sprays.

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In sexual assault survivors, the main traumatic event typically becomes encoded in memory. Less important details may not be as well retained in memory.

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Last Updated: Dec 19, 2018

The dietary supplement huperzine A might play a role in Alzheimer's treatment by boosting memory, but more — and better — studies are needed.

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Last Updated: Apr 20, 2019

Understand the role water plays in keeping skin healthy.

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According to the hygiene hypothesis, early childhood infections can help prevent asthma. But is that the case?

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Hyperbaric oxygen therapy helps with some medical conditions that affect the brain. Find out what the research says about its role in stroke treatment.

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A hyperextended knee may tear or detach some of the ligaments in the knee.

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Hyperinflated lungs can be associated with lung conditions, such as COPD.

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Last Updated: Nov 30, 2017

Hyperinsulinemia is often associated with type 2 diabetes.

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Understand what causes a breast milk oversupply and what you can do about it.

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A hypertensive crisis is a severe increase in blood pressure that can lead to a stroke.

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Hypnobirthing — A Mayo Clinic specialist discusses this method of easing pain during childbirth.

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Last Updated: Aug 6, 2019

For women, there's sometimes a link between having an underactive thyroid gland (hypothyroidism) and infertility.

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Last Updated: Jun 13, 2019

There's no truth to the so-called hypothyroidism diet.

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Hypothyroidism symptoms can vary, but eye problems aren't usually a concern.

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Calcium supplements can interfere with absorption of medications used to treat hypothyroidism.

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Rarely, hypothyroidism can cause peripheral neuropathy, such as carpal tunnel syndrome.

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Hypothyroidism can cause muscle and joint problems, such as joint pain and stiffness.

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Last Updated: Jan 16, 2019

Although iodine deficiency can cause hypothyroidism, this deficiency is rare in the United States.

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Last Updated: May 11, 2018

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Implantation bleeding is a common early pregnancy symptom. Understand what's involved and why it happens.

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Last Updated: May 9, 2019

With time and dedication, breast-feeding without pregnancy (induced lactation) might be possible.

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Infant botulism — A Mayo Clinic specialist offers tips to prevent infant botulism.

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Worried about infant constipation? A Mayo Clinic specialist explains how to treat it.

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Last Updated: Oct 25, 2019

You can safely prepare infant formula with tap water or bottled water. Consider the pros and cons of each.

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Infant growth rates depend on various factors. Consider what's typical during baby's first year.

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Wonder if there's a connection between infant swimming and asthma? A Mayo Clinic specialist offers perspective.

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Frequent waking is a common form of insomnia. Here's how to fall asleep again.

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Inversion therapy is often promoted as a treatment for back pain.

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A Mayo specialist cautions about relying on a home sperm test to assess your fertility.

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Last Updated: May 2, 2018

Depression is common in people with rheumatoid arthritis. If it isn't treated, depression may contribute to worsening of rheumatoid arthritis symptoms.

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Last Updated: Oct 18, 2019

Is fibromyalgia hereditary? The disorder appears to run in families.

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Is a gluten-free diet healthy for people who don't need to avoid gluten? It depends on what you eat instead of gluten.

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Last Updated: Jun 9, 2018

Takeout containers aren't the best for storing leftovers. Wrap or repackage food to keep it fresher and safer.

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What the change in the research definition of Alzheimer's disease means for you.

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Last Updated: Aug 31, 2018

Find out about the role of diet in managing multiple sclerosis.

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Last Updated: Feb 10, 2018

You lose weight only to regain it. When this happens repeatedly, it's called the yo-yo effect. It's frustrating but does it increase your risk of obesity?

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Last Updated: Jun 9, 2018

High systolic blood pressure (isolated systolic hypertension) is as important as high diastolic blood pressure.

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Last Updated: Jan 26, 2019

Learn more about isometric exercises that contract a particular muscle or group of muscles.

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Last Updated: Jan 17, 2018

J

In most people, joint hypermobility causes no problems and requires no treatment.

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Last Updated: Aug 4, 2017

Joint pain attributed to rheumatoid arthritis may actually be caused by parvovirus infection in some adults.

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Last Updated: Oct 23, 2019

Juicing is a hot trend, but does it deliver on claims of better health? Learn about the pros and cons of juicing.

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Last Updated: Oct 1, 2019

Depression and diet may be related, and junk food may increase the risk of depression.

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Last Updated: Feb 10, 2018

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Many factors may influence the decision to withdraw from kidney dialysis.

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Last Updated: Mar 22, 2017

Kidney donation can save a life, but some live donors might be at a slightly higher risk of developing kidney failure in the future.

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Last Updated: Apr 28, 2017

You know your kids should exercise, but how much? Find out and get ideas for helping children and adolescents be more physically active.

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Last Updated: May 17, 2019

Does kombucha tea live up to its reputation as a health tonic?

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Last Updated: Jul 8, 2017

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L-arginine, a substance that relaxes blood vessels, is sometimes touted to reduce blood pressure.

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Last Updated: Jan 9, 2019

Long-acting beta agonists (LABAs) — Understand the benefits and risks of these asthma medications.

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Lack of sleep can affect your immune system. Here's what you need to know.

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Last Updated: Nov 28, 2018

Medication for lactation suppression generally isn't recommended.

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Last Updated: Feb 7, 2019

Laryngospasm is a brief spasm of the vocal cords, which temporarily interrupts breathing.

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Does late-day exercise keep you awake? A Mayo Clinic sleep expert offers advice.

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Last Updated: Mar 7, 2017

Late-night snacks aren't necessarily off-limits with diabetes, but healthy choices won't leave you with high blood sugar in the morning.

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Last Updated: Sep 28, 2019

Latent autoimmune diabetes in adults (LADA) is a slow developing form of autoimmune diabetes.

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Last Updated: May 10, 2019

Latisse promotes longer, thicker, darker eyelashes — but side effects are possible, too.

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A Mayo Clinic specialist shares prevention and treatment tips for leg cramps during pregnancy.

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Last Updated: Jun 18, 2019

New, persistent leg pain or aching may indicate an underlying circulation problem.

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Last Updated: Oct 25, 2017

Why bother with lentils? They're high in protein and fiber. They're also quick and easy to prepare.

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Last Updated: Jul 7, 2017

Breast tenderness is not among the published escitalopram (Lexapro) side effects, but some studies and unofficial reports have linked them.

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Get the scoop on liposuction alternatives that reduce body fat without surgery.

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Livedo reticularis is a vascular condition characterized by purplish mottling of the skin.

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Occasionally, liver cysts can cause pain and discomfort in the upper abdomen.

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Chronic hepatitis C may lead to liver failure, which has only one treatment: liver transplant. Find out more about this risk.

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How safe is natalizumab for multiple sclerosis (MS) treatment?

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Age-related loss of sex drive is normal, but sometimes an underlying condition is at play.

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Aging can play a role in the loss of taste and smell — but not always.

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Delivery, amnioinfusion and drinking more fluids might be recommended as treatment for low amniotic fluid.

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For older adults, low blood sodium (hyponatremia) can be fatal if left untreated.

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Find out what can affect your milk supply and how to boost it.

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If you have kidney disease, you may need to limit how much phosphorus you eat or drink each day. A dietitian can help you create a custom meal plan.

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An epidural isn't necessarily off-limits if you have a lower back tattoo.

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Lung nodules are common and may be detected on a chest X-ray. Most lung nodules are noncancerous, but some may represent early-stage lung cancer.

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Hair loss is common in lupus. Although distressing, it is usually temporary.

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Although uncommon, hives can occur in people with lupus. Learn about causes and treatments.

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Lupus can cause inflammation of the kidneys, which can impair their function.

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A low-tyramine diet is important for anyone taking MAOIs.

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Using a gadolinium contrast agent during MRI may pose a risk for people with severe kidney failure.

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MSM is promoted as a treatment for arthritis pain, but evidence is scarce.

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Not all dietary fat is unhealthy. Monounsaturated fatty acids are one of the good fats. See where to find them.

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Enlarged red blood cells (macrocytosis) can be due to many factors.

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Find out what ingredients pharmacists combine for this treatment for mouth sores caused by chemotherapy and other cancer treatments.

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Magnesium is a nutrient your body needs to stay healthy. Magnesium supplements are popular but not risk-free. Food sources are easy to add to your diet.

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Learn how to make progress toward your goals of learning new skills such as a new language or a musical instrument.

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Male masturbation has little effect on sperm count or quality.

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Latest Mayo Clinic mammogram guidelines for breast cancer screening.

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Dense breasts can make a mammogram more difficult to interpret, but it's still a useful tool for breast cancer screening.

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Get tips to manage your health, stay focused, and use your time well while dealing with job pressures and demands.

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Tips for managing anxiety with multiple sclerosis (MS).

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Learn about strategies for managing depression in people with MS.

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If you have diabetes, you're probably used to counting carbs. But are you also paying attention to fat, cholesterol and calories?

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Some marketers claim mangosteen juice has anti-inflammatory benefits. Find out what the research says.

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Marijuana and depression seem to go hand in hand for some people, but there's no clear evidence that marijuana directly causes depression.

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Marijuana use during pregnancy can harm you and your baby. Find out how.

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Is it possible to get measles from someone else if you've been vaccinated?

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Melatonin is generally safe for short-term use but can cause side effects.

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For many women, menopause and high blood pressure seem to go hand in hand.

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If you take menopause hormone therapy, it's a good idea to follow up with your doctor once a year for a checkup and to reassess your need for treatment.

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For women with heart disease, breast cancer or a blood-clotting disorder, hormone therapy isn't a good option for treating menopause symptoms.

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Understand how a menstrual cup works and why you might use this alternative to pads and tampons.

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Products that promise to boost your metabolism abound, but can they help you lose weight?

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Combining migraine medications and antidepressants may pose several concerns.

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Certain antidepressants are used in migraine treatment. Learn more about these medications.

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Migraines can be associated with certain gastrointestinal problems. Learn more.

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Migraines — Are they triggered by weather changes?

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Antidepressants don't always ease mild depression symptoms, but you may still benefit from treatment.

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Can mindfulness practice help reduce symptoms of multiple sclerosis (MS)?

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The term "ministroke" typically refers to a transient ischemic attack.

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Moldy cheese may be unappetizing, but is it unsafe?

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Epstein-Barr virus sometimes causes mononucleosis, but most Epstein-Barr infections are less severe.

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Rarely, mononucleosis can recur. Learn more about causes and complications.

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Monosodium glutamate (MSG) can trigger headaches and other symptoms in some people.

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Visible mucus in stool can have a variety of causes — not necessarily serious.

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The term 'multigrain' means more than one grain is used, while 'whole grain' means the whole kernel is used.

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Seizures occur more often in people with multiple sclerosis than in the general population.

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Multivitamins: Would your youngster benefit from a supplement?

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Myofascial release, a form of manual therapy, may help reduce back pain.

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Common pain medications such as ibuprofen or naproxen sodium may increase your risk of heart attack and stroke.

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Find out how nail biting can contribute to infections — and how to stop this bad habit.

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Vertical nail ridges are common and often become more prominent with age.

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Narrow stools may be a sign of narrowing or obstruction of the colon.

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Nasal spray 'addiction' isn't really an addiction at all. Learn more.

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Natural acne treatment comes in various forms. Some may be beneficial.

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Find out about whether foods and supplements can affect libido.

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Breast enhancement supplements haven't been proved effective and could cause side effects.

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For some people, certain herbal and dietary supplements seem to help with depression, but more studies are needed on their effectiveness and side effects.

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Nausea during pregnancy is common. Understand what nausea and vomiting might mean for your pregnancy.

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Negative-calorie foods require more energy to digest than they contain. Fact or fiction?

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Nervous breakdown is not a medical term — but it may indicate an underlying mental health problem that needs attention, such as anxiety or depression.

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Nervous stomach is a vague term that doesn't indicate a specific diagnosis.

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A homemade neti pot solution is just as effective as the over-the-counter variety.

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Some Neurontin side effects can be troubling and require evaluation by your doctor.

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Newborn sleep — A Mayo Clinic specialist explains when to wake a sleeping baby for a feeding.

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Niacin overdose is unlikely when it's taken as prescribed for high cholesterol.

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"Alarm clock" (hypnic) headaches wake people up. But other nighttime headaches also can disrupt sleep. Relief begins with determining the cause.

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Nighttime panic attacks can cause sweating, rapid heart rate, trembling, shortness of breath, heavy breathing, flushing or chills. Learn about treatment.

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Non-mesh sling — A Mayo Clinic expert explains how a non-mesh sling can be used to treat female stress urinary incontinence.

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Learn the difference between normal stress and adjustment disorder.

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How can you be obese when your weight is normal?

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Occipital nerve stimulation is a relatively new procedure to treat chronic headache disorders.

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Flashes of light, zigzags and temporary blindness – what does it all mean?

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Oregano is thought to have antibacterial and antifungal properties.

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Olive oil contains monounsaturated fatty acids, a type of healthy fat that can protect against heart disease and other serious conditions.

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Balance with other dietary fats is key to eating omega-6 fatty acids.

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Certain medications interact with opioids, making them more dangerous and increasing the risk of accidental overdose. Learn the signs of an emergency.

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Opioids aren't the first choice for a chronic condition such as arthritis. And some of their side effects may be particularly concerning for older people.

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OraVerse returns sensation sooner in your mouth after dental work. Is it for you?

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Understand the benefits of organic baby food.

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You know what M.D. means, but what does D.O. mean? What are the differences and similarities between these two types of doctors?

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Some osteoporosis drugs may increase risks of bone problems in the jaw and thigh.

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Often, you can stop taking these common osteoporosis medications after three to five years.

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Research continues to evaluate the role of an ovarian cancer vaccine to prevent recurrence.

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Surgery to remove your ovaries dramatically reduces your risk of ovarian cancer, but it doesn't eliminate the risk entirely.

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Certain types of ovarian cysts can contribute to fertility problems.

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Ovary removal (oophorectomy) dramatically lowers estrogen, a reproductive hormone that may also protect your brain.

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Trying to get pregnant? Learn about ovulation signs and symptoms.

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Ozone air purifiers don't reduce asthma symptoms. In fact, they can make asthma worse.

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A number of factors can cause PSA levels to rise after surgery for an enlarged prostate.

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Paced breathing — slow, deep, diaphragmatic breathing — can help reduce hot flashes, lower blood pressure and promote relaxation.

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Depression can cause unexplained physical symptoms, such as headaches. Chronic pain can cause problems that lead to depression, such as poor sleep.

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Palindromic rheumatism comes and goes. People who have it are at higher risk of developing rheumatoid arthritis.

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Palliative care — Mayo Clinic expert explains who may benefit from palliative care and how it differs from hospice care.

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Various factors stack the odds against successful pancreatic cancer treatment.

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Learn when most doctors recommend beginning cervical cancer screening with Pap tests.

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If you've had surgery to remove your uterus, you might not need routine Pap smears. Find out what doctors recommend for cervical cancer screening.

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Unfortunately, there is no standard or routine screening test for ovarian cancer.

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Parkinsonism, a condition similar to Parkinson's disease, has a number of causes and coping strategies.

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Passive-aggressive behavior — A Mayo Clinic specialist explains the signs of this indirect way of expressing negative feelings.

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Find out how older paternal age can impact pregnancy and childhood health.

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A Mayo Clinic specialist explains what might cause a penis fracture.

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Understanding the Daily Value numbers on food labels will help you make more-informed choices.

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During perimenopause, birth control options range from hormonal contraceptives to sterilization, depending on your health status.

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There are no hypoallergenic dog breeds, but you can reduce your allergic reactions.

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Rarely, inhaling petroleum jelly for prolonged periods can cause lung inflammation (lipoid pneumonia).

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Phantosmia is often due to a head injury or upper respiratory infection.

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Phentermine, a prescription medication, can help with weight loss when combined with diet and exercise.

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You may be worried about phenylalanine because of a warning on diet soda. Find out why the warning is there.

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Phosphatidylserine holds some promise as a potential treatment for Alzheimer's and other memory problems.

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Photodynamic therapy may play a limited role in lung cancer treatment.

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Many parents wonder how long pink eye (conjunctivitis) is contagious. Find out.

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Read these safety tips before you take food to a loved one in the hospital.

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Plugged ears are usually a mild, temporary problem. Learn about potential causes and treatments.

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Poinsettia plants — A Mayo Clinic specialist explains what you need to know about poinsettia plants.

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Can polymyositis lead to lung and breathing problems?

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The polypill contains small doses of several commonly prescribed heart disease medications.

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Early research suggested that pomegranate juice could slow the growth of prostate cancer, but more-rigorous trials failed to confirm those results.

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Small studies suggest that pomegranate juice might help lower cholesterol. Find out more about this antioxidant-rich juice.

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Use these tips to help someone cope with stress from a traumatic event, whether it's acute stress disorder (ASD) or post-traumatic stress disorder (PTSD).

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Find out how pre-exposure prophylaxis (PrEP) can prevent HIV infection.

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Prednisone withdrawal symptoms can be serious if your dosage isn't discontinued gradually. Find out how long it might take to taper off.

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Pregnancy acne — A Mayo Clinic specialist offers insight on treating acne during pregnancy.

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Pregnancy after gastric bypass surgery calls for special care. Start with preconception planning.

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Understand the possible risks of hot tub use during pregnancy.

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Find out how to manage your calcium needs during pregnancy if you're lactose intolerant.

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Pregnancy constipation is common. Know how to safely treat it.

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Understand how changes in your blood volume and hormone levels might affect your skin during pregnancy.

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Pregorexia — A Mayo Clinic specialist discusses this rare pregnancy condition.

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Extreme moodiness, intense sadness or marked irritability in the days before your period — along with your usual PMS symptoms — could be signs of PMDD.

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Prenatal vitamins — why they might not be suitable if you're not pregnant.

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The most common symptom of presbyopia is blurry close-up vision.

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Depending on what's causing it, hair loss in women may be prevented.

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Probiotics are foods or supplements that contain 'good' bacteria that might help treat or prevent illness. Should they be part of your diet?

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Prolotherapy may help low back pain, but proof remains elusive.

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Depending on the type of radiation you receive, your doctor may recommend some precautions to prevent passing radiation to others.

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Prostate cancer metastasis — Find out where prostate cancer spreads.

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Surgery to remove the prostate might not be an option later if you undergo other prostate cancer treatments first.

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Find out what your PSA level may mean for your prostate cancer prognosis.

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Some men with prostatitis have pain with ejaculation or sexual intercourse.

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Protein shakes aren't a magic bullet for weight loss. Here's why.

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Pseudoaneurysm may be a complication of cardiac catheterization.

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Pseudoclaudication and claudication causes leg pain for different reasons. One is caused by pinched spinal nerves while the other is a circulation problem.

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There is no special psoriasis diet, but eating healthy foods is still beneficial.

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Psoriasis treatment — Fish oil supplements may be helpful, but use caution.

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Pubic hair removal is common, but so are related side effects.

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Pulse pressure may be a strong predictor of heart problems, especially for older adults.

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Gaining weight after you quit smoking is fairly common, but you can take steps to prevent it. Learn how.

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Rapidly developing Alzheimer's may suggest another condition or problem – and sometimes, symptoms can be reversed.

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Natural and pure are among the terms used to describe raw water, but risk-free is not. Understand the hazards of drinking unprocessed water.

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Reactive airway disease is a general term that doesn't indicate a specific diagnosis.

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Reactive hypoglycemia is low blood sugar that occurs shortly after eating.

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A Mayo Clinic expert explains the risks of taking prescription oral erectile dysfunction (ED) medications without a medical need.

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Recurrent prostate infections can be difficult to treat. Here's what to consider.

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For some children, tonsillectomy may reduce the frequency of recurring strep throat infections.

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Although a renal diet restricts protein, you still must eat some protein every day.

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Repeat C-sections are common — but each C-section is generally more complicated than the last.

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Resperate is a device that teaches slow, deep breathing — which can reduce blood pressure.

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Rhabdomyolysis is a rare but potentially life-threatening side effect of statins.

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Do different diets affect rheumatoid arthritis symptoms?

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Although rheumatoid arthritis is primarily a joint disease, it occasionally affects the eyes.

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Although rheumatoid arthritis primarily affects the joints, it can also affect the lungs.

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Ricin is a deadly poison derived from castor bean plants — the same beans used to make castor oil.

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Light therapy may be helpful for some people with rosacea.

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Runner's diarrhea is characterized by loose bowel movements during or immediately after a run.

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Sagging breasts are more likely after pregnancy, but breast-feeding isn't to blame.

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Excessive salt craving may indicate an underlying medical condition, such as Addison's disease.

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Milnacipran (Savella) may help relieve the fatigue and pain associated with fibromyalgia.

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Scalp psoriasis and seborrheic dermatitis of the scalp can be difficult to differentiate.

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Should you take health claims about sea salt with a proverbial grain of salt? What makes it different from table salt?

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Breakthrough bleeding is more common with continuous and extended-cycle birth control pills, such as Seasonale, but usually decreases with time.

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Second pregnancy — A Mayo Clinic specialist discusses the possible differences between a first and second pregnancy.

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A Mayo Clinic specialist explains why second pregnancies don't always come easily.

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How to take care of yourself at home when you have the flu.

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Semen allergy (seminal plasma hypersensitivity) is a rare condition that can be easily misdiagnosed. Learn about symptoms and possible treatments.

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Know what causes sensitive teeth and effective treatments.

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Service dogs can sniff out low blood sugar and alert you to take action.

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The new generation of service dogs can be trained to sniff out cancer, oncoming seizures or changes in blood sugar.

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Setbacks can be part of life, but don't let them stop you from moving forward.

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With time and patience, you can resume sexual activity at any age.

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Vaginal infection makes intercourse painful and weakens resistance to sexually transmitted infections. Consider waiting.

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Contrary to popular belief, shaving unwanted hair doesn't make it grow back thicker.

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If you're adjusting to shift work — especially the night shift — consider tips for better sleep.

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Generally, it's best to avoid alcohol during the course of shingles treatment.

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A new shingles vaccine uses an inactivated varicella-zoster (chickenpox) virus so you can't infect others.

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People looking to receive the shingles vaccine have two options.

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Diet and atrial fibrillation: Should I make changes to my diet if I've been diagnosed with atrial fibrillation?

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Physical activity and atrial fibrillation — Should people with atrial fibrillation participate in physical activity?

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A silent heart attack occurs with few, if any, symptoms. Find out more.

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Understand the health effects of ruptured silicone breast implants.

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Sometimes the cause of a toothache isn't a tooth problem, but a sinus problem.

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Sitting for long periods — such as in front of the TV or at a desk — appears to increase risk of death from cardiovascular disease and cancer.

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Sjogren's syndrome isn't thought to cause UTIs, but it may cause other urinary conditions.

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Find out about common skin changes during pregnancy, including pigmentation changes, varicose veins, acne and stretch marks.

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Antihistamines are somewhat effective as sleep aids — but only for occasional insomnia.

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Find out how sleep duration might be linked to weight gain.

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Caffeine doesn't seem to cause or aggravate obstructive sleep apnea.

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Sleep deprivation affects not only your energy levels but also your health.

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Is a slow metabolism the reason for your weight gain? Or is something else going on?

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Doctors classify cancer cells by examining them under a microscope. Learn common terms used to describe cancer cells.

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For people at risk of rheumatoid arthritis, smoking may trigger the disease and cause more severe symptoms.

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Smoking leads to premature skin aging — and more wrinkles.

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Sodium nitrate, a preservative in some meats, may increase your heart disease risk.

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Soy doesn't significantly lower cholesterol. But eating soy can still be healthy.

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Whether people who have hypothyroidism should avoid soy is a topic of debate.

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Spastic colon is another term for irritable bowel syndrome (IBS).

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After ejaculation, the life span of sperm depends on the circumstances.

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Options are available to remove spider veins — a mild form of varicose veins.

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To prevent split fingernails, treat your nails gently. Consider these simple nail care tips.

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Spreading bowel preparation over two days makes the process more tolerable and does a better job of cleaning the colon before a colonoscopy.

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Understand when to start feeding your baby solid foods.

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Statins can cause muscle injury in some people. But can they also trigger ALS?

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Sugar substitutes, such as refined stevia preparations, may help with weight management, but they aren't a magic bullet.

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Depending on which virus causes your stomach ailment, you can be contagious from a few days to two weeks or more.

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Stool color is usually a result of diet and is only rarely a concern.

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Tired of feeling at the mercy of your to-do list? Try these tips for becoming more focused.

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One set of strength training exercises is generally as effective as multiple sets.

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Strep throat in infants is uncommon, but it's possible. Learn about symptoms.

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Learn how stress and hair loss can be related.

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With all the technology available today, it can be stressful and challenging to learn how to use it. Find out ideas of how to work with technology.

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Stress management and relaxation skills are key to preventing stress-related weight gain.

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Feeling overwhelmed by your MS? Try these stress-relieving strategies and find out what works for you.

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Can you give up added sugar and artificial sweeteners for two weeks? You may never think about sugar the same way again.

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Think about these ideas as you consider what skills and career you'd like to pursue in the future.

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Sulfa allergy: A Mayo Clinic expert discusses which medications are likely to cause problems.

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Sun rash — Causes and prevention tips for this itchy red rash.

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When might sunburn require medical attention?

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Sundowning isn't a disease, but a symptom that often occurs in people with dementia.

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Strains of head lice that are resistant to over-the-counter treatments are on the rise. Understand the facts, and learn how to eliminate treatment-resistant lice.

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Superslow strength training can help you add variety to your strength training routine.

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Your body can't digest chewing gum. So what happens when you swallow it?

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TENS therapy may be effective for fibromyalgia pain.

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Tailbone pain can have many causes and treatments.

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Tanning beds don't offer a safe alternative to natural sunlight.

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There's no proof that a base tan protects against sunburn.

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Drinking tap water is less expensive, but is it as safe as drinking bottled water?

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Tarlov cysts are fluid-filled sacs that most often affect nerve roots in your lower spine.

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Find out if tattoo removal cream works.

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Taurine might improve athletic performance but further research is needed.

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When you're first injured, ice may be better for reducing pain and swelling.

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Find out how to help your toddler meet the challenges of being 2.

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Test anxiety can interfere with your performance: Here's what you can do.

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A Mayo Clinic specialist discusses the relationship between testicular microlithiasis and testicular cancer.

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Find out if you can use natural methods to boost your testosterone level.

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Testosterone therapy may boost sex drive for some women, but its long-term safety is unclear.

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Testosterone therapy side effects — A Mayo Clinic specialist discusses the heart risks.

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For adults, tetanus shots are recommended every 10 years.

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You can safely cook a frozen turkey without thawing it first — if you follow a few safety precautions.

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Take steps to prevent the dawn phenomenon — an abnormal early-morning increase in blood sugar.

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Fragile or thin skin is a fairly common problem, especially in older adults.

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Tobacco smoke creates toxic residue that clings to walls, carpets, clothes and other surfaces.

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Thyroid disease can affect your mood and cause symptoms that mimic mental illness.

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Thyroid guard — A Mayo Clinic expert discusses using thyroid guards during mammograms to reduce the risk of thyroid cancer from radiation.

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A thyroid peroxidase antibody test can help determine the cause of thyroid disease.

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In the past, doctors thought that a tilted uterus could have contributed to infertility.

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Ringing in the ears (tinnitus) has many possible causes, including taking antidepressants.

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You can take steps to care for your body if you have rheumatoid arthritis. These self-care measures can help you manage your pain and stay active.

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If you're frustrated with the high cost of blood glucose test strips, check out these options.

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Learn how to manage stress while juggling a busy schedule.

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A Mayo Clinic specialist describes typical speech development between the ages of 2 and 3.

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Vitamin C is an essential nutrient, but too much carries its own risks.

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Trampoline jumping can be fun but poses a high risk of injury for children.

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Triclosan is found in many products. Understand the safety concerns.

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Chronic trouble breathing: A Mayo Clinic expert discusses when it might be asthma.

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A Mayo Clinic expert explains the differences and similarities between these two types of growths and how doctors determine if they're cancerous.

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Ultraprocessed foods, such as frozen dinners, are staples for many Americans. Why do these convenience foods have a bad rep?

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Know how to wash an uncircumcised penis.

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If you're underweight and unhappy about it, try these healthy meals, snacks and treats to help you achieve your desired weight.

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Undigested food in stool generally isn't a problem unless it's accompanied by other symptoms.

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Type O negative is sometimes called the universal blood donor type.

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Try these ideas to manage your time and reduce stress.

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Overweight and obese children and adolescents are at increased risk of type 2 diabetes, but you can take steps to lower the risk.

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Like LDL cholesterol, very-low-density lipoprotein (VLDL) cholesterol is considered a type of 'bad' cholesterol.

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Vaccination schedule — A Mayo Clinic specialist explains why young children need multiple vaccines.

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Vaccines during pregnancy — Find out which vaccines you need during pregnancy and which ones to avoid.

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Low-dose estrogen therapy, vaginal moisturizers and vaginal lubricants are among possible treatments for menopausal vaginal dryness and its discomforts.

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Valerian — Can this sleep aid help you sleep better?

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Vaping during pregnancy can expose your baby to nicotine.

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The male birth control procedure to cut and seal the tubes that carry sperm (vasectomy) doesn't increase the risk of prostate cancer.

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Vegetable juice can be healthy, but it isn't a replacement for actual vegetables.

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Although switching to a vegetarian diet won't cure diabetes, it may offer some benefits.

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People who eat a vegetarian diet are generally leaner than those who don't. But making smart choices is what leads to weight loss.

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Until Addyi was approved, there were no drugs to treat sexual arousal or sexual desire problems in women.

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Vicks VapoRub is often used as a nasal decongestant. Does it work?

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Low levels of vitamin B-12 and other B vitamins may be linked to depression, but more research is needed.

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Vitamin B-12 injections — A weight-loss shot sounds appealing, but does it work?

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Vitamin B-12 isn't known to improve memory in Alzheimer's disease, but research continues.

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Some research suggests that vitamin D may reduce the risk of multiple sclerosis.

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What are the risks of too little vitamin D?

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Too little vitamin D is bad for the bones, but what about the heart? Learn how vitamin D deficiency may affect blood pressure.

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A Mayo Clinic specialist explains why, when and how to give your baby vitamin D.

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Understand the risks of too much vitamin D, including a toxic reaction.

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Vitamin D deficiency may play a role in Alzheimer's and other types of dementia, but more research is needed to understand this link.

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Can vitamin supplements improve MS symptoms?

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Vocal cord dysfunction and asthma cause similar symptoms. Find out the difference between the two.

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Vulvar varicosities can cause discomfort during pregnancy. Understand what causes this form of varicose veins and how to get relief.

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What is your waistline telling you? Get a measuring tape and find out if your waist circumference is in a range associated with shorter life expectancy.

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Walking pneumonia is a general term for relatively mild cases of pneumonia.

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Walking poles can turn your daily walk into a full-body workout.

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Walking and a prudent diet can put you on the path to sustainable weight management.

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Certain foods and beverages may interact with warfarin. Find out more.

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Warm-mist and cool-mist humidifiers are equally effective in humidifying the air.

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Drinking plenty of water helps keep your digestive system on track.

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For water exercise, the pool temperature should feel soothing and comfortable, not hot.

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Interested in natural diuretics for fluid retention and weight gain? You may be better off watching your diet.

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Understand how calorie restriction and exercise help you meet weight goals.

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Dieting can be tough during the holidays, but don't give up. Instead change your focus to maintaining and not gaining.

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For weight training, proper technique is more important than the specific type of equipment.

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Weight-loss hypnosis might be another weight-loss tool, but don't forget the basics.

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Weighted hula hoop — Spice up your workout with hula hooping.

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For most strength training enthusiasts, there's no need to invest in a weightlifting belt.

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Last Updated: Aug 2, 2018

Although beneficial in the long term, weightlifting can cause temporary, sometimes dramatic, increases in blood pressure.

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Weightlifting — Experiment to see if doing weights or cardio first works best for you.

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What exactly are functional foods, and do they deliver on their health claims?

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Learn how opioid medications work and how those effects can be dangerous when the drugs are taken incorrectly.

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Some strains of bacteria are resistant to most types of antibiotics. Understand the risks and how to protect yourself from infection.

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Find out what causes round ligament pain during pregnancy and how to find relief.

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BPA stands for bisphenol A, a chemical used in some plastics and resins. See what products contain BPA and explore options to reduce your exposure.

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MERS-CoV is a respiratory illness that's sometimes fatal. Help protect yourself with good hygiene practices.

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Find out about retinopathy of prematurity — a potentially blinding eye condition that affects premature infants — including emerging therapies.

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While there's no special ileostomy diet, there are some general rules to follow when choosing foods after ostomy surgery.

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Living with heart failure? Know when new symptoms require a doctor's call or ER visit. A heart failure action plan can guide your self-care.

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Learn more about this mosquito-borne virus — found in Africa, Asia, India, and parts of Europe and the Americas — that causes fever and severe joint pain.

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Clean eating values whole, natural foods over processed and refined ones. Sounds like healthy eating, doesn't it?

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Compassionate use is a way for people with life-threatening illnesses to get access to experimental treatments.

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Hot yoga, also known as Bikram yoga, is an intense form of yoga performed in a heated studio.

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Heart age is a way to understand your risk of a heart attack or stroke. By making healthier lifestyle choices, you can lower your heart age and your risk.

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Reflexology is gaining popularity as a stress reliever, but does it work?

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Learn about this tick from Asia that was recently reported in the United States and find out how to prevent tick bites.

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Find out about a mosquito-borne virus that may cause mild fever, rash and joint pain.

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Wheatgrass is a popular addition to smoothies and other drinks. While it's a rich source of nutrients, it's not a disease cure-all.

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Chronic diarrhea in infants can have many causes. Here’s a list of some possible causes and advice on when to see your child's doctor.

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H1N1 flu is a subcategory of influenza A.

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Wheezing in children may be a sign of asthma — but not always.

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Olive, canola or grapeseed? Which cooking oil should you use for sauteing and frying?

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When should you brush your teeth? Understand how to protect your oral health.

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White coat hypertension could be a risk factor for your blood pressure. Find out more.

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A small white patch on skin may have several causes, including eczema, psoriasis and vitiligo.

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White stool isn't normal and may indicate a serious liver problem. Learn about causes.

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White whole-wheat bread may make it easier to add whole grains to your diet.

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Find out how whitening toothpaste works and whether it's effective.

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Whole-body vibration — Don't give up regular exercise and a healthy diet.

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Weight-loss surgery means you don't have to watch what you eat, right? Wrong. Learn why.

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If you're obese, weight loss before pregnancy can improve your health — as well as the health of the baby you're planning to conceive.

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Hepatitis C vaccine development is far from straightforward, but experimental vaccines are under study.

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Find out whether an air purifier can eliminate cigarette smoke from your home.

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A Mayo Clinic expert explains why asthma symptoms may change as your child gets older.

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The existence of Wilson's syndrome — often described as mild or subclinical hypothyroidism — is controversial.

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Many dentists recommend wisdom teeth removal to improve oral health.

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Find out more about wrist blood pressure monitors and when they might be used to measure blood pressure.

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Understand when an X-ray during pregnancy might cause harm and how to avoid it.

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Yeast infections are common during pregnancy. Over-the-counter treatments are usually safe.

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Yeast infections can occur in men, causing inflammation of the penis (balanitis). Learn what signs and symptoms could mean you have a yeast infection.

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Yerba mate tea may help relieve fatigue, but it has some risks.

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Yucca root supplements have long been touted as a possible treatment for arthritis pain.

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Everyone's heard of taking zinc for colds. But does it really work?

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Zumba, a dance-based workout, can add variety to your exercise routine.

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