Nutritional supplements
Learning Center
Female orgasm: No climax with vaginal penetration?
Not all women have orgasms with vaginal penetration during sex. Most women need stimulation of the clitoris to climax.
Fiber supplements: Safe to take every day?
Fiber supplements are one way to add fiber to the diet. Here are some tips for using them safely.
Flaxseed: Is ground better than whole?
Nutrition experts recommend ground flaxseed over whole flaxseed. Find out why.
Frontal fibrosing alopecia
This type of receding hairline, which primarily affects older women, is treatable. The earlier you talk with your doctor about it, the better your chance of preventing permanent baldness.
GLP-1 agonists: Diabetes drugs and weight loss
Noninsulin drugs for diabetes improve blood sugar control and may also support weight loss.
Heartburn medicines and B-12 deficiency
Acid-controlling medicines may do more than prevent heartburn. They also may keep vitamin B-12 from being absorbed.
Heavy periods: Can folic acid help?
Heavy periods may cause iron deficiency anemia. Folic acid supplements can't treat that.
High cholesterol in children: How is it treated?
High cholesterol in children can lead to narrowed and hardened arteries, increasing the risk of heart disease later in life.
High-dose flu vaccines: How are they different from other flu vaccines?
High-dose flu vaccines are flu vaccines for older people.
How do COVID-19 antibody tests differ from diagnostic tests?
Antibody testing shows whether you've had the COVID-19 virus in the past. It's not the same as testing to see whether you have the virus now.
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