Researchers have blamed alcohol for four percent of cancer-related deaths worldwide. Alcohol is a known carcinogen and when consumed even in small quantities may increase the cancer risk, hence the study stressed that reducing alcohol consumption is vital in preventing cancer.
Previous studies consistently have shown that alcohol consumption is a significant risk factor for cancers of the mouth, throat, esophagus and liver. More recent research has shown that alcohol also increases the risk of cancers of the colon, rectum and female breast. While estimates have shown that alcohol accounts for about four percent of all cancer-related deaths worldwide, there is a lack of literature focusing on cancer-related deaths in the U.S.
AdvertisementTimothy Naimi, MD, MPH, from the Department of Medicine at BUSM and colleagues from the National Cancer Institute, the Alcohol Research Group, Public Health Institute and the Center for Addiction and Mental Health, examined recent data from the U.S. on alcohol consumption and cancer mortality. They found that alcohol resulted in approximately 20,000 cancer deaths annually, accounting for about 3.5 percent of all cancer deaths in the U.S.
Breast cancer was the most common cause of alcohol-attributable cancer deaths in women, accounting for approximately 6,000 deaths annually, or about 15 percent of all breast cancer deaths. Cancers of the mouth, throat and esophagus were common causes of alcohol-attributable cancer mortality in men, resulting in a total of about 6,000 annual deaths.
The researchers also found that each alcohol-related cancer death accounted for an average of 18 years of potential life lost. In addition, although higher levels of alcohol consumption led to a higher cancer risk, average consumption of 1.5 drinks per day or less accounted for 30 percent of all alcohol-attributable cancer deaths.
"The relationship between alcohol and cancer is strong, but is not widely appreciated by the public and remains under-emphasized even by physicians," said Naimi, who served as the paper's senior author. "Alcohol is a big preventable cancer risk factor that has been hiding in plain sight."
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