Skin care
Learning Center
Testicular cancer
Learn about cancer that starts in the testicles. Treatments include surgery, chemotherapy and radiation therapy.
Teen drug abuse: Help your teen avoid drugs
Want to prevent teen drug abuse? Understand how to talk to your teen about the consequences of using drugs.
Tattoos: Understand risks and precautions
Allergic reactions, infections and skin problems can all happen after getting a tattoo. Take steps to stay safe.
Stuttering
Stuttering, sometimes called stammering, is a speech condition that involves problems with rhythm and flow when speaking.
Strategies to prevent heart disease
Learn strategies you can practice now to protect your heart.
Stomach flu: How long am I contagious?
Depending on which virus causes your stomach illness, you can be contagious from a few days to two weeks or more.
Stage 4 prostate cancer
Find out about diagnosis and treatment of this cancer that has spread to the lymph nodes or other parts of the body.
Spermatocele
Learn more about this noncancerous testicular disorder that may require surgery if it's causing discomfort. But, the condition often needs no treatment.
Skin care: 5 tips for healthy skin
Skin care gimmicks abound — but don't fall for the hype. Get healthy looking skin with these simple tips.
Sitting risks: How harmful is too much sitting?
Sitting for long periods — such as in front of the TV or at a desk — appears to increase risk of death from cardiovascular disease and cancer.
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