A new review provides more evidence that fatty diets boost cancer risk, while fiber reduces colorectal cancer risk. Published in Current Gastroenterology Reports, the study found that high-fat diets alter gut microbiota to boost cancer risk. Fiber has the opposite effect, stimulating the growth of friendly organisms that protect against cancer.
Ocvirk S, Wilson AS, Appolonia CN, Thomas TK, O'Keefe SJD. Fiber, Fat, and Colorectal Cancer: New Insight into Modifiable Dietary Risk Factors. Curr Gastroenterol Rep. 2019;21:62-69.