People may drink to socialize, celebrate, or relax. Alcohol often has a strong effect on people—and throughout history, people have struggled to understand and manage alcohol’s power. Why does alcohol cause people to act and feel differently? How much is too much? Why do some people become addicted while others do not? The National Institute on Alcohol Abuse and Alcoholism is researching the answers to these and many other questions about alcohol. Learn about the health effects of alcohol.

Common Names

Booze, Brew, Juice, Hooch, Liquor, Sauce

52.1% of high school seniors used alcohol in the past year.

Source: 2019 Monitoring the Future Survey

Looking for Treatment?

Related Resources

For information on alcohol abuse, please visit:

Other Resources

Clinical Trials

Clinical trials are research studies in human volunteers conducted to answer specific health questions. Learn about the NIH-sponsored clinical trials available to you.