In-depth

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

Abdominal pain

Find out what causes different types of abdominal pain.

Diarrhea

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

Needle biopsy

Find out what to expect during a needle biopsy.

Jun. 12, 2012

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