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Increased Alcohol Consumption and Increased Cancer Risk
Site of Cancer	Convincing Evidence	Probable Evidence
Mouth, Pharynx, Larynx	√
Esophagus	√
Liver		√
Colon/Rectum	√(men)	√(women)
Breast (pre-menopause)	√
Breast (post-menopause)	√

Column headings refer to the strength of the evidence linking alcohol consumption to increased cancer risk.
"√" indicates that increased alcohol consumption is significantly linked to an increased risk of cancer at the site in the left column.

Note: The dose (amount) of alcohol consumption linked to increased cancer risk is unclear and may occur at any level of intake. The report acknowledges the beneficial effects of moderate alcohol intake as protective against heart disease, and recommends that for people who do drink, consume no more than two drinks a day (men) and no more than one drink a day (women).

Source: World Cancer Research Fund/American Institute for Cancer Research. Food, Nutrition, Physical Activity, and the Prevention of Cancer: a Global Perspective. Washington DC: AICR, 2007.