Alcohol's Effects on Health | National Institute on Alcohol Abuse and Alcoholism (NIAAA)

Due to HHS and NIH restructuring, as of March 2025, this website will be maintained, but no new content will be added.

Find science-based information on the effects of alcohol on health.

Alcohol Topics A to Z

Alcohol Topics A to Z
Facts and Stats

Alcohol Facts and Statistics
Drinking Levels Defined

What Is A Standard Drink?

Drinking Levels and Patterns Defined

How Much Is Too Much? Making Sense of Drinking Levels
Alcohol's Effects on the Body

Alcohol's Effects on the Body

Alcohol and You: An Interactive Body
Underage And Young Adults

NIAAA for Middle School

NIAAA Facts About Teen Drinking

Health Topics: Underage Drinking
Getting Help

Alcohol Treatment Navigator

Treatment for Alcohol Problems: Finding and Getting Help

Rethinking Drinking

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