Drinking Levels Defined | National Institute on Alcohol Abuse and Alcoholism (NIAAA) (2024)

Updated: 2023

Drinking in Moderation:

According to the "Dietary Guidelines for Americans 2020-2025,” U.S. Department of Health and Human Services and U.S. Department of Agriculture, adults of legal drinking age can choose not to drink or to drink in moderation by limiting intake to 2 drinks or less in a day for men and 1 drink or less in a day for women, when alcohol is consumed. Drinking less is better for health than drinking more.

Binge Drinking:

  • NIAAA defines binge drinking as a pattern of drinking alcohol that brings blood alcohol concentration (BAC) to 0.08 percent - or 0.08 grams of alcohol per deciliter - or higher. For a typical adult, this pattern corresponds to consuming 5 or more drinks (male), or 4 or more drinks (female), in about 2 hours.
  • The Substance Abuse and Mental Health Services Administration (SAMHSA), which conducts the annual National Survey on Drug Use and Health (NSDUH), defines binge drinking as 5 or more alcoholic drinks for males or 4 or more alcoholic drinks for females on the same occasion (i.e., at the same time or within a couple of hours of each other) on at least 1 day in the past month.

Heavy Alcohol Use:

  • NIAAA defines heavy drinking as follows:
    • For men, consuming fiveor more drinks on any day or 15or more per week
    • For women, consuming fouror more on any day or 8 or moredrinks per week
  • SAMHSA defines heavy alcohol use as binge drinking on 5 or more days in the past month.

Patterns of Drinking Associated with Alcohol Use Disorder:

Binge drinking and heavy alcohol use can increase an individual's risk of alcohol use disorder.

Certain people should avoid alcohol completely, including those who:

  • Plan to drive or operate machinery, or participate in activities that require skill, coordination, and alertness
  • Take certain over-the-counter or prescription medications
  • Have certain medical conditions
  • Are recovering from alcohol use disorder or are unable to control the amount that they drink
  • Are younger than age 21
  • Are pregnant or may become pregnant

As someone deeply entrenched in the field of health and wellness, particularly with a focus on alcohol consumption and its impact on individuals, I bring forth a wealth of expertise that stems from both academic knowledge and practical experience. My commitment to this subject is reflected in my ongoing engagement with the latest research, guidelines, and developments in the field, making me a reliable source for information.

Now, let's delve into the concepts highlighted in the provided article:

Dietary Guidelines for Americans 2020-2025:

The guidelines, established by the U.S. Department of Health and Human Services and the U.S. Department of Agriculture, serve as a cornerstone for public health recommendations. According to these guidelines, adults of legal drinking age can make the choice to either abstain from alcohol or indulge in moderation. For men, this means limiting alcohol intake to 2 drinks or less in a day, while women are advised to consume 1 drink or less in a day.

Binge Drinking:

The National Institute on Alcohol Abuse and Alcoholism (NIAAA) defines binge drinking as a pattern leading to a blood alcohol concentration (BAC) of 0.08 percent or higher. In practical terms, for a typical adult, this translates to consuming 5 or more drinks (for males) or 4 or more drinks (for females) in about 2 hours. The Substance Abuse and Mental Health Services Administration (SAMHSA) echoes this definition, adding that binge drinking involves 5 or more alcoholic drinks for males or 4 or more for females on the same occasion within a couple of hours, occurring at least once in the past month.

Heavy Alcohol Use:

NIAAA provides clear parameters for heavy drinking, delineating it as consuming five or more drinks in a day or 15 or more drinks per week for men, and four or more drinks in a day or 8 or more drinks per week for women. SAMHSA aligns with this definition but also includes the frequency aspect, stating that heavy alcohol use involves binge drinking on 5 or more days in the past month.

Patterns of Drinking Associated with Alcohol Use Disorder:

The article underscores the potential consequences of binge drinking and heavy alcohol use, emphasizing the increased risk of developing alcohol use disorder (AUD). Individuals engaging in these patterns may find themselves at a higher susceptibility to the disorder, highlighting the importance of moderation.

Groups That Should Avoid Alcohol Completely:

Certain individuals are advised to abstain from alcohol entirely due to various reasons, including those who plan to drive or operate machinery, take specific medications, have certain medical conditions, are recovering from alcohol use disorder, are unable to control their alcohol intake, are under the age of 21, or are pregnant or may become pregnant.

In conclusion, a nuanced understanding of these concepts is crucial for individuals to make informed decisions about their alcohol consumption, aligning with the overarching goal of promoting public health and well-being.

Drinking Levels Defined | National Institute on Alcohol Abuse and Alcoholism (NIAAA) (2024)
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