Crohn s disease and ulcerative colitis, collectively known as inflammatory bowel disease (IBD), the etiology is not clear, but its pathogenesis has had more understanding.

克罗恩病和溃疡性结肠炎统称为炎症性肠病(IBD)，病因虽不明确，但对其发病机理已有了较多的了解。

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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.

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The standard treatment for inflammatory bowel diseases such as Crohn's and ulcerative colitis is through steroids, which help reduce the inflammation.

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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).

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