Dr. Bray Links

Friday, January 27, 2017

Gut bacteria mediate link between diet and colorectal cancer

In 2017, it is estimated that there will be 95,520 new cases of colon cancer and 39,910 new cases of rectal cancer diagnosed in the U.S.

Studies have shown that a diet high in red and processed meats may increase the risk of colorectal cancer, while a high-fiber diet - rich in fruits, vegetables, and whole grains - has been associated with a lower risk of the disease.

Previous research has suggested that one way by which diet influences the risk of colorectal cancer is through the changes it makes to the gut microbiome (the population of microorganisms that live in the intestine).

The new study from Dr. Ogino and team supports this association, after finding that individuals who followed a high-fiber diet were at a lower risk of developing colorectal cancer tumors containing the bacterium F. nucleatum. 


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