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Impact of Cigarettes and Alcohol on Colorectal Cancer Risk

by Donna Myers
for About.com

Updated: May 25, 2007

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Researchers examined data from 845 people with colorectal cancer to determine if smoking and drinking may have influenced their chances of developing the disease. Their findings, published in the journal Epidemiology, were pretty straightforward.

Results of the Cigarettes and Alcohol Study

Consuming more than seven alcoholic drinks a week increased the risk of colorectal cancer by 72 percent. Smokers were more likely to develop rectal cancer, with risk increasing as the number of cigarettes increased (from 43 percent higher risk for light smokers to 164 percent higher risk for heavy smokers).

For more detailed information regarding the role cigarettes and alcohol play in colon cancer development, please read Smoking and Colorectal Cancer Risk and Does Alcohol Increase Colorectal Cancer Risk?.

More Research on Cigarettes and Colorectal Cancer Risk: More Research on Alcohol and Colorectal Cancer Risk:

Source: Tsong, W. and Koh, W. "Cigarettes and Alcohol in Relation to Colorectal Cancer: The Singapore Chinese Health Study." British Journal of Cancer 96 (2007): 821-827. Accessed 10 Mar. 2007.

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