Newborn health
Learning Center
Double-outlet right ventricle
In this heart condition present at birth, two major blood vessels aren't attached to the heart in the usual positions. Learn how it's treated.
Coma
Learn what can cause this state of prolonged loss of consciousness. While a coma rarely lasts longer than a few weeks, some people never wake from one.
Easy bruising: Why does it happen?
Get the facts about easy bruising. Learn about causes and find out when it's a sign of a problem.
Menstrual cycle: What's normal, what's not
Learn about how to track your menstrual cycles and what any changes may mean.
Alzheimer's stages: How the disease progresses
Alzheimer's stages — common behaviors as the disease progresses.
Low potassium (hypokalemia)
Low potassium (hypokalemia): Symptom — Overview covers what can cause this blood test result.
Unexplained weight loss
Unexplained weight loss has many causes — some serious. Find out when losing weight without trying calls for a medical evaluation.
Wheezing
Wheezing: Symptom — Overview covers definition, possible causes of this symptom.
Headache
Headache: Symptom — Overview covers definition, possible causes of this painful symptom.
Anal pain
Anal pain: Symptom — Overview covers definition, possible causes of this common symptom.
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