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…drank alcohol, 76 percent had p53 mutations in their cancer cells, compared with 42 percent of the nondrinkers. Only one of the nonsmokers with lung cancer had p53 mutations, regardless of alcohol use. Scientists suspect that alcohol interferes with the body's ability to convert carcinogenic chemicals in smoke into more benign substances that it can eliminate. Alcohol may also disrupt the body's ability to repair DNA that has been damaged by the carcinogens. ------------------------------------------------------------------------ **Bibliography** usnews.com