Aerobic exercise
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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.
Swallowing gum: Is it harmful?
Your body can't digest chewing gum. So what happens when you swallow it?
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.
Suicide: What to do when someone is thinking about suicide
Take action when you see warning signs that someone is thinking about suicide. Talk with the person. Be sensitive and direct. Urge the person to get help.
Strep throat in young children: A common diagnosis?
Strep throat in young children is uncommon, but it's possible. Learn about symptoms.
Stages of labor and birth: Baby, it's time!
Find out what happens during the different stages of labor and birth.
Spitting up in babies: What's normal, what's not
Spitting up in babies is common — and usually nothing to worry about.
Spinal cord tumor
Spinal cord tumors can cause serious problems such as pain and paralysis. Find out how more about management and treatment.
Spina bifida
Learn about this condition in which an unborn baby's spine and spinal cord don't form properly. Surgery during pregnancy may be a treatment option.
Sperm: How long do they live after ejaculation?
After ejaculation, the life span of sperm depends on the circumstances.
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