In-depth

Cough

An occasional cough is normal and healthy. A cough that persists for weeks signals an underlying problem.

Diarrhea

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

Headache

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

Joint pain

Joint pain can have many causes and can often be treated at home.

Liver function tests

Find out how this battery of blood tests helps your doctor diagnose and monitor liver disease.

Muscle pain

Muscle pain can occur just about anywhere in your body, and there are lots of potential causes.

Aug. 29, 2012

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