Nutritional supplements
Learning Center
Why isn't there a hepatitis C vaccine?
Hepatitis C vaccine development is far from straightforward, but experimental vaccines are under study.
Shingles vaccine: Should I get it?
People who are age 50 and older should get this vaccine to prevent shingles.
Coronavirus: What is it and how can I protect myself?
Coronavirus disease 2019 (COVID-19) is caused by a virus that spreads between people. Find out how to protect yourself and those close to you.
What is meant by the term "heart age"?
Heart age is a way to understand your risk of a heart attack or stroke. By making healthier lifestyle choices, you can lower your heart age and your risk.
Flu shot: Will it prevent the stomach flu?
The flu shot protects against influenza, which is different from the stomach flu, also called gastroenteritis.
Alzheimer's prevention: Does it exist?
Alzheimer's prevention: Strategies for staying physically and mentally fit may be most effective.
Opioid stewardship: What is it?
Learn about the roles everyone plays in opioid stewardship, safety and overdose.
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
Prenatal vitamins: OK for women who aren't pregnant?
Prenatal vitamins: Why they might not be suitable if you're not pregnant.
Colon cancer screening: At what age can you stop?
Some groups recommend people over 75 may consider stopping colon cancer screening. Not everyone agrees. Learn about your colon cancer screening options.
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