Teen health
Learning Center
Sperm: How long do they live after ejaculation?
After ejaculation, the life span of sperm depends on the circumstances.
Stages of labor and birth: Baby, it's time!
Find out what happens during the different stages of labor and birth.
Stool DNA test
Learn about this noninvasive colon cancer screening test that can detect DNA changes in cells collected from a stool sample.
Stress test
This test gives important information about your heart health. Know how to prepare and what to expect.
Surgery for stress urinary incontinence in women
Learn what's involved in surgery to treat stress urinary incontinence, including risks, benefits and other factors to consider before making a decision.
Symptoms of pregnancy: What happens first
Are you pregnant? Tender breasts, nausea and fatigue are just a few early symptoms of pregnancy. Find out about these and less obvious pregnancy signs.
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.
Teen suicide: What parents need to know
Understand what makes teens prone to suicide, and learn what you can do to prevent it.
Teens and social media use: What's the impact?
Find out how to help limit the negative impact of these popular apps on your teenager.
Testicular exam
Examining your testicles regularly can help you notice changes when they occur and identify testicular problems.