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.

Echocardiogram

Echocardiogram allows your doctor to see your heart in motion. Here's what you need to know about the test.

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

Headache

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

Jul. 24, 2014

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