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Sodium nitrate in meat: Heart disease risk factor?
Sodium nitrate, a preservative in some meats, may increase your heart disease risk.
Smokeless tobacco products
Learn the risks of using products such as chewing tobacco, snuff and snus.
Slide show: Add antioxidants to your diet
Antioxidants may play a role in preventing heart disease, cancer and other diseases. See which foods are abundant in antioxidants.
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.
Sea salt vs. table salt: What's the difference?
Should you take health claims about sea salt with a grain of salt? What makes it different from table salt?
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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