The prevalence of Inflammatory bowel disease (IBD), including both Crohn
Disease (CD) and ulcerative colitis (UC) is reportedly high in Ashkenazi
Jews, but it is believed to be very low in the population from South and
Several reports summarized in a 2010 consensus meeting of the Indian Society
of Gastroenterology suggest that, at least in Northern India, ulcerative
colitis may be more common than previously suspected.
It is also unclear whether the reported low prevalence in Asia is real
(due to genetic or environmental factors) or spurious (due to different
awareness of the condition among physicians or their different interpretation
of the endoscopic and histological features of CD and UC).
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