Nutrition basics
Learning Center
Sodium: How to tame your salt habit
Find out which foods have lots of this mineral and get tips on how to cut back.
Smokeless tobacco products
Learn the risks of using products such as chewing tobacco, snuff and snus.
Slide show: Guide to a high-fiber diet
Interested in eating a high-fiber diet? See how easy it is to boost the fiber in your meals and snacks.
Slide show: 10 great health foods
Add these health foods to the menu and give your diet a healthy boost.
Silent heart attack: What are the risks?
This type of heart attack occurs with few, if any, symptoms. Find out more.
Shingles vaccine: Can I transmit the vaccine virus to others?
A shingles vaccine uses only part of the varicella-zoster virus, so you can't infect others.
Sex education: Talking to your teen about sex
Sex education is a parent's job. Here's help handling the challenge.
Sex and COVID-19: Can you get COVID-19 from sexual activity?
Find out whether COVID-19 can be spread during sexual activity and how to reduce your risk of getting the virus from a sexual partner.
Senior sex: Tips for older men
Sex isn't just for the young. Get tips for staying active, creative and satisfied as you age.
Scrotal masses
Lumps in the scrotum have various causes. Even painless lumps should be checked promptly by a health care professional.
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