In-depth

Complications

Dehydration

You normally lose about 10 cups (2.4 liters) of water every day — much more during exercise or illness. Learn how to stay hydrated.

Symptoms

Abdominal pain

Find out what causes different types of abdominal pain.

Tests and diagnosis

Has your doctor recommended a flexible sigmoidoscopy exam? Here's what you need to know about preparation and the exam itself.

CT scan

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

Jul. 16, 2013

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