In-depth

Cough

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

CT scan

A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.

Fatigue

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

MRI

MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.

Nasal congestion

Nasal congestion: Causes and when to see a doctor.

Upper endoscopy

Find out what to expect during your endoscopy exam.

Apr. 26, 2012

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