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.
Guillain-Barre syndrome
This rare autoimmune disorder affects the nerves, causing weakness and tingling in the arms and legs that rapidly spreads throughout the body.
Groin pain (male)
Learn more about the causes and symptoms of this type of pain. Also find out how you can treat it at home and when to get a checkup.
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: Especially important if you have heart disease
A yearly flu vaccine is recommended for anyone with heart disease. Find out why.
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.
Fetal macrosomia
When a baby in utero grows much larger than average for gestational age, it can lead to complications during childbirth for both mother and baby.
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