Nutritional supplements
Learning Center
HPV infection: A cause of cancer in men?
Learn what types of cancer HPV can cause in men and how you can reduce your risk.
Fundal height: An accurate sign of fetal growth?
Understand how fundal height is measured and what it means.
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.
Flu shots for kids: Does my child need a flu shot?
Know the latest recommendations for children's flu vaccines.
Flaxseed: Is ground better than whole?
Nutrition experts recommend ground flaxseed over whole flaxseed. Find out why.
Fibromyalgia: Can acupuncture relieve symptoms?
Fibromyalgia symptoms may be reduced by acupuncture treatments.
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.
Enterovirus D68 and parechovirus: How can I protect my child?
Enterovirus D68 and parechovirus infections can lead to serious illness among children. Know the symptoms and what you can do.
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.
Endometriosis: Risk factor for ovarian cancer?
Endometriosis and ovarian cancer are linked, but the relationship isn't straight cause and effect.
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