Nutritional supplements
Learning Center
High blood pressure and cold remedies: Which are safe?
Among cold medicines, decongestants cause the most concern for people who have high blood pressure.
Herbal treatment for anxiety: Is it effective?
Herbal treatment for anxiety: A Mayo Clinic expert discusses safety and effectiveness.
Hemorrhoids during pregnancy: What's the best treatment?
Know how to relieve painful, swollen veins in the anus and rectum during pregnancy.
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.
Grass-fed beef: What are the heart-health benefits?
Grass-fed beef may have heart-health benefits that conventional beef doesn't. Find out more.
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.
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.
Fear of public speaking: How can I overcome it?
Learn tips to become a more-confident public speaker
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