Low blood pressure (hypotension) can be a sign of good health or of a life-threatening condition. Find out more about hypotension's causes and treatment options.
Find out what causes different types of abdominal pain.
Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.
Sick to your stomach? Nausea and vomiting usually pass quickly but sometimes result from long-term or serious conditions.
Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.
Jan. 02, 2014
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