Healthy diets
Learning Center
Smokeless tobacco products
Learn the risks of using products such as chewing tobacco, snuff and snus.
Small vessel disease
Also called coronary microvascular disease, this type of heart disease can be hard to detect. Know the symptoms and how it's diagnosed and treated.
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.
Shingles
Learn more about symptoms, causes, treatment and vaccine prevention of this painful condition affecting the nerves.
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.
Seborrheic keratosis
Learn more about the symptoms and treatments of this common, noncancerous skin growth that gradually appears 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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