In-depth

Blood transfusion

Blood transfusions boost blood levels that are low due to surgery, injury or disease. Learn about the benefits, risks and what to expect.

Diarrhea

Here's information about common causes of diarrhea and when to see your doctor.

Dizziness

Dizziness has many possible causes. The cause of dizziness may be simple, or dizziness may be a sign of a more serious disorder.

Headache

Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.

Low blood pressure (hypotension)

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.

Psychotherapy

Psychotherapy is one way to treat many mental illnesses. See how therapy is used and which type may be best for you.

Oct. 06, 2012

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