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Ethnicity â Although Crohnâs disease can affect any ethnic group, Caucasians and people of Eastern European (Ashkenazi) Jewish descent have the highest risk. American Jewish people of European descent are four to five times more likely to develop IBD than the general population.
Virgin argues that genetics is still the most probable cause of the Jewish communityâs vulnerability to the disease â researchers just havenât found the mutations yet. âKosher practices have been observed for centuries,â Virgin said, âbut the uptick in Crohnâs incidence across the Western world is much more recent.â.