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.

Colectomy

Find out what you can expect before and after your colectomy surgery.

Diarrhea

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

Genetic testing

Genetic testing is used to detect altered genes that may cause illness or disease. Although genetic testing can offer important health information, it has limitations.

Intestinal obstruction

Intestinal obstruction — a serious condition that requires prompt medical attention — occurs when a blockage of the intestine prevents food or fluid from passing through.

Needle biopsy

Find out what to expect during a needle biopsy.

Aug. 12, 2014

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