In the United States, a "standard" drink is any drink that contains about 0.6 fluid ounces or 14 grams of "pure" alcohol. Although the drinks pictured below are different sizes, each contains approximately the same amount of alcohol and counts as a single drink.
For different types of beer, wine, or malt liquor, the alcohol content can vary greatly. Many light beers have almost as much alcohol as regular beer (4.2 percent versus 5 percent alcohol by volume, on average) Depending on the type of spirits and the recipe, a mixed drink can actually contain two or more “standard” drinks.
“Low risk” is not “no risk.” Based on how alcohol affects you, you may need to drink less or not at all. It's safest to avoid alcohol altogether if you are
These research-based guidelines were created by the National Institute on Alcohol Abuse and Alcoholism, of the National Institutes of Health. For some people it is not safe to drink any alcohol.