Find science-based information on the effects of alcohol on health.
Alcohol Topics A to Z
Browse all of NIAAA’s topics on alcohol and health, from facts and statistics to how alcohol affects the brain and body.Facts and Stats
Find up-to-date facts and statistics on alcohol use and its consequences in the United States and around the world.Drinking Levels Defined
Learn the difference between drinking in moderation, binge drinking, and heavy alcohol use.Alcohol's Effects on the Body
Understand the effects of alcohol use on different internal organs, as well as the immune system and disease risk.Underage And Young Adults
Get the facts about underage drinking, the associated risks, and how to prevent underage drinking.Getting Help
Find resources for help with alcohol use disorder, and learn about treatment options.