Regional Cancer Center ~ Erie, PA

High-Fiber Diet Helps Prevent Colorectal Cancer

May 01, 2015 | Posted in News

A high-fiber, low-fat diet helps prevent colorectal cancer, according to a study published in Nature Communications. Researchers tracked the typical diets of 20 African-American men and 20 African men for two weeks and monitored cancer incidence rates. For an additional two weeks, each group participated in an inverted intervention whereby the African-American group ate a largely African diet (high in fiber and low in fat) while the African group increased their consumption of animal products and fat intake. Results showed that the low-fat, high-fiber diet centered on corn-based products, vegetables, fruit, and legumes decreased the risk factors for cancer in the African-American group, while the African group was at a greater risk after just two weeks. Researchers suspect changes in animal protein and carbohydrate consumption and changes in gut bacteria due to a shift in diet as potential causes for fluctuations in inflammation. This study hopes to lend credence to dietary interventions as treatment and prevention for cancer.

Source:O'Keefe SJ, Li JV, Lahti L, et al. Fat, fibre and cancer risk in African Americans and rural Africans. Nat Commun. 2015;6:6342.

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