Inflammatory bowel disease such as ulcerative colitis and Crohn's disease may occur here.

如溃疡性结肠炎及节段性肠炎等炎症性肠病都是由这里产生。

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Inflammatory bowel disease (IBD) is chronic recurrent intestinal inflammatory disorders, including ulcerative colitis and Crohn's disease.

炎症性肠病(IBD)是一组反复发作的肠道慢性炎症性疾病，包括溃疡性结肠炎和克罗恩病。

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Inflammatory bowel diseases (IBD), including ulcerative colitis and Crohn's disease are chronic, life-long, and relapsing diseases of the gastrointestinal tract.

炎症性肠病是一种慢性的、反复发作的、终身性的胃肠道疾病，包括溃疡性结肠炎和克罗恩病。

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He said the most reliable study to date was on 420 patients with ulcerative colitis and 142 patients with Crohn's disease in South Eastern Norway.

BBC: Seasonal variation in Crohn's risk

The widest experience that most have in this area has been in the treatment of traveler's diarrhea, antibiotic-associated diarrhea and the inflammatory bowel diseases (ulcerative colitis, Crohn's disease).

CNN: Could I become dependent on probiotics?

Geography and the gut: Women who live in northern U.S. states in their early adulthood are more likely than their southern counterparts to develop Crohn's disease and ulcerative colitis, according to a study in Gut.

WSJ: The Research Report: Slapping On a Skin Patch to Combat Hay Fever