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The cause is of ulcerative colitis is unknown. It may affect any age group, although there are peaks at ages 15 - 30 and then again at ages 50 - 70. The disease usually begins in the rectal area and may eventually extend through the entire large i...
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Ulcerative colitis is a form of inflammatory bowel disease (IBD). It causes swelling, ulcerations, and loss of function of the large intestine.
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