At least half of adults in the US report drinking regularly, but we now know that alcohol use increases the risk of several cancers, including common ones such as breast and colon cancer. Binge drinking may increase the risk even more. While most adults in the US know that tobacco use causes cancer, less than half know about the association between alcohol use and cancer. Once people understand the link between drinking and cancer, they can change their alcohol use to protect their health. To increase awareness about alcohol use and cancer risk, the previous Surgeon General recently recommended warning labels on alcohol products. Doctors who discuss the link between alcohol and cancer with their patients increase knowledge about the alcohol-cancer link and help change patients’ attitudes and beliefs about drinking and cancer risk, and influence how people choose to drink. Currently, less than half of adults in the US report that a doctor has spoken with them about alcohol use and cancer — there might be certain situations where doctors may be more or less likely to discuss this important information. Even when a doctor does discuss cancer risk, only half of patients can recall that alcohol use is related to that risk. Therefore, the goal of this study is to understand the knowledge, attitudes, and beliefs that US adults have about alcohol and cancer risk, as well as to identify what makes doctors more or less likely to talk to their patients about the link between alcohol use and cancer.