Restrictive Diets’ Effect on IBD Studied in New Review

Restrictive Diets’ Effect on IBD Studied in New Review
A new review on inflammatory bowel disease, entitled “Diet and Inflammatory Bowel Disease: Review of Patient-Targeted Recommendations” and published in October issue of Clinical Gastroenterology and Hepatology summarizes the scarce data on the role of diet in this syndrome and highlights the need for patient-targeted dietary information and advice from the medical community. Researchers are recognizing that environmental factors can impact the severity of IBD. In agreement with this hypothesis, several studies have linked diet to gut inflammation on many levels, such as with direct dietary antigens, alterations to the micro biome in the gut, and higher permeability in the gastrointestinal wall. Specifically, IBD was associated with high fatty acids and protein content diet; on the contrary, a diet rich in fibers was associated with lower risks for Crohn's disease (one of the most common types of IBD); the second most common type of IBD, Ulcerative Colitis was associated with increased red meat consumption, eggs, protein and alcohol. Notably, exclusion diets were shown to improve IBD symptoms and to increase the period to relapse. In this review, the authors compiled data related to three types of diet commonly referred to the literature -- the specific carbohydrate diet (SCD); the fermentable oligosaccharides, disaccharides and monosaccharides (FODMAP) diet; and the Paleolithic diet. All diets' regimens are based on restrictive measures -- while SCD diet restricts carbohydrates in general and the monosaccharides' glucose, fructose, and galactose, FODMAP restricts many fruits and vegetables. Both share the reasoning that many types of carbohydrates are poorly absorbed by the intestine and thus lead to bacteria overgrowth. The Paleolithic diet restric
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