Nutritional supplements
Learning Center
Eastern equine encephalitis (EEE): What is it?
Find out more about a virus spread to people by mosquitoes, its symptoms and ways to prevent being infected with it.
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.
Fingernails: Do's and don'ts for healthy nails
Find out the signs of a problem with your fingernails, plus tips for taking care of them.
Flaxseed: Is ground better than whole?
Nutrition experts recommend ground flaxseed over whole flaxseed. Find out why.
Foot swelling during air travel: A concern?
Swelling of the leg or foot while flying is common and usually harmless.
Forgiveness: Letting go of grudges and bitterness
Forgiveness and letting go can lead to healing and peace.
Gallbladder polyps: Can they be cancerous?
The size of gallbladder polyps can be a useful predictor of whether they're cancerous.
Get to know the new Nutrition Facts label
The recently revamped label makes it easier than ever to make healthy food choices. Get the facts from a Mayo Clinic dietitian.
HER2-positive breast cancer: What is it?
HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.
HPV vaccine: Who needs it, how it works
Learn about how the HPV vaccine works, who needs it and what side effects to expect.
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