Is Your Risk of Colorectal Cancer Reduced by Eating Fruit and Vegetables?

A recent research study published in the Journal of The American Dietetic Association concluded that the effects of consuming fruit and vegetables seem to differ depending on the site of origin. Within the proximal and distal colon and that brassica vegetables such as Brussels sprouts, cabbage, cauliflower, and broccoli are associated with a decreased risk of these cancer. However, a lower risk of distal colon cancer was associated with eating more apples, and at the same time an increase of rectal cancer was found to occur with the consumption of fruit juices. The researchers acknowledged the earlier research on diet and colorectal cancer research that was contradictory and believe these results were related to not considering the site of the colorectaL cancer. In a case controlled study, the researchers explored the link between fruit and vegetables and cancers in three different parts of the bowel: proximal colon cancer, distal colon cancer, and rectal cancer. There were 918 subjects with a confirmed colorectal diagnosis and 1021 controls with no history of colorectal cancer. Extensive medical and nutritional questionaires were completed and all participants were assigned a socioecomic status depending upon their address.
Results showed that the consumption of brassica vegetables were associated with a reduced incidence of proximal colon cancer, and both fruit and vegetables seemed to reduce the risk of distal colon cancer. Distal colon cancer risk was significantly reduced with the intake of dark yellow vegetables and apples, but there was an increase risk of rectal cancer associated with the consumption of fruit juice. There was no risk of proximal colon cancer or rectal cancer associated with intakes of total fruit and vegetables. total vegetables or total fruit.

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