Talking to kids about sex
Learning Center
Hyperinsulinemia: Is it diabetes?
Hyperinsulinemia often is associated with type 2 diabetes.
Heart rate: What's normal?
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.
Heart cancer: Is there such a thing?
Although heart tumors do occur, the vast majority of them are noncancerous (benign).
HER2-positive breast cancer: What is it?
HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.
Gallbladder polyps: Can they be cancerous?
The size of gallbladder polyps can be a useful predictor of whether they're cancerous.
Foot swelling during air travel: A concern?
Swelling of the leg or foot while flying is common and usually harmless.
Eastern equine encephalitis (EEE): What is it?
Find out more about a virus spread to people by mosquitoes, its symptoms and ways to prevent being infected with it.
Discolored semen: What does it mean?
Find out what causes discolored semen.
Digestion: How long does it take?
Digestion takes about two to five days, depending on your system.
Did the definition of Alzheimer's disease change?
What the change in the research definition of Alzheimer's disease means for you.
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