The National Institute on Alcohol Abuse and Alcoholism (NIAAA) is the lead Federal agency for research on alcohol and health and the largest funder of alcohol research in the world. NIAAA’s mission is to generate and disseminate fundamental knowledge about the effects of alcohol on health and well-being, and apply that knowledge to improve the diagnosis, prevention, and treatment of alcohol-related problems, including alcohol use disorder (AUD), across the lifespan.