Fitness basics
Learning Center
Breastfeeding strike: Why do babies refuse to nurse?
Understand why babies sometimes refuse to breastfeed and what you can do about it.
CA 125 test: A screening test for ovarian cancer?
Learn why health care providers generally don't recommend a CA 125 test for ovarian cancer screening.
Cardiac asthma: What causes it?
Wheezing isn't always due to true asthma. Sometimes it's a sign of heart failure. Know the difference.
Craving and chewing ice: A sign of anemia?
Craving and chewing ice (pagophagia) is often associated with iron deficiency with or without anemia.
Early HIV symptoms: What are they?
Early signs of the disease can include fever, fatigue and swollen lymph glands. Learn more.
Enlarged prostate: Does diet play a role?
Lifestyle factors such as diet appear to play a role in benign prostatic hyperplasia (BPH). See what lifestyle changes may help with symptoms.
Exercise and illness: Work out with a cold?
Play it smart. Ease up on exercise if you have a cold.
Flu symptoms: Should I see my doctor?
See a healthcare professional if you are at high risk for complications from flu.
Food allergy vs. food intolerance: What's the difference?
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.
Frequent sex: Does it protect against prostate cancer?
Some studies have suggested that frequent ejaculation may reduce the risk of prostate cancer. But other research hasn't supported this idea.
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