A greater adherence to the Dietary Approaches to Stop Hypertension, Alternative Mediterranean or Alternative Healthy Eating Index-2010 diets appear to reduce the risk of colorectal cancer risk, especially in men

In November 2018 researchers from the USA published the results of their study to assess the association between various diets and colorectal cancer. A total of 78,012 women and 46,695 men were involved in the study, with the women being followed for 6 years and and the men 4 years. A dietary index score was assessed for the Dietary Approaches to Stop Hypertension (DASH) diet, Alternative Mediterranean Diet (AMED), and Alternative Healthy Eating Index-2010 (AHEI-2010). During the period of follow-up 2,690 colorectal cancer cases were diagnosed. Results showed that a greater adherence to the DASH, AMED, and AHEI-2010 diets was associated with a reduced incidence of colorectal cancer. A sex-specific analysis revealed that there was a stronger association between dietary scores and reduced incidence of colorectal cancer in men than in women.

Petimar J et al. Recommendation-based dietary indexes and risk of colorectal cancer in the Nurses’ Health Study and Health Professionals Follow-up Study. Am J Clin Nutr. 2018 Nov 1;108(5):1092-1103.

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