Even moderate alcohol consumption may increase risk of certain cancers, experts warn
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iStock/Thinkstock(NEW YORK) -- Consuming alcoholic beverages, even in moderation, may increase your risk of developing certain cancers, according to a new statement released by the American Society of Clinical Oncology (ASCO).

"People typically don't associate drinking beer, wine, and hard liquor with increasing their risk of developing cancer in their lifetimes," Dr. Bruce Johnson, president of the ASCO, an organization of cancer doctors, said in a statement.

"The link between increased alcohol consumption and cancer has been firmly established," Johnson added. He said he hopes that this knowledge empowers doctors "to help their patients reduce their risk of cancer."

The new review of past studies on the link between alcohol and cancer, published Tuesday in the Journal of Clinical Oncology, found that approximately 3.5 percent of all cancer deaths in the U.S. can be attributed to alcohol consumption.

In addition, researchers said that in 2012, approximately 5.5 percent of all new cancer occurrences and 5.8 percent of all cancer deaths globally could be attributed to drinking alcohol.

Although heavy, long-term, drinkers were found to have the greatest risks of developing cancer, even modest alcohol consumption may increase cancer risk, researchers said in the publication.

If a drinker stops consuming alcohol for 20 years or more, however, their risk of cancer reverts back to that of non-drinkers, according to the researchers' analysis.

The 11-page ASCO statement on alcohol and cancer also says that "associations between alcohol drinking and cancer risk have been observed consistently regardless of the specific type of alcoholic beverages," meaning the link between alcohol and certain cancers was not specific to consumption of just beer, wine, or other types of liquor.

In addition to increasing risk factors for certain types of cancer, the ASCO review also found that drinking alcohol can have an adverse effect on treatment and outcomes for patients with cancer.

"Limiting alcohol intake is a means to prevent cancer," Dr. Noelle LoConte, one of the publication's authors and a professor of medicine at the University of Wisconsin said in a statement.

LeConte said the new ASCO statement joins other public health organizations "in recognizing that even moderate alcohol use can cause cancer."

"The good news is that, just like people wear sunscreen to limit their risk of skin cancer, limiting alcohol intake is one more thing people can do to reduce their overall risk of developing cancer," LoConte added.

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