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. 2016 Mar 1;124(3):A49–A54. doi: 10.1289/ehp.124-A49

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graphic file with name ehp.124-A49.g003.jpg — Studies of immigrants in Toronto show that second-generation Canadian children often do not enjoy the same degree of protection against IBD that their parents had in their South Asian home countries.

© Ian Taylor/First Light/Corbis