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The pathogenesis of inflammatory bowel disease (IBD) is thought to be multifactorial, involving a genetically susceptible individual being exposed to a yet-to-be identified environmental trigger or set of triggers. There is growing evidence that IBD may be a disease of Westernization associated with diets high in refined sugars; bread and cereals; proteins, especially dairy; and n-6 polyunsaturated fatty acids acquired from highly processed seed oils. However, the evidence is often low quality, conflicting, and inconclusive.
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Kakodkar et al. (2015) studied this question.
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