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Blood alcohol content (BAC), also called blood alcohol concentration or blood alcohol level, is a measurement of alcohol intoxication used for legal or medical purposes. [1] BAC is expressed as mass of alcohol per volume of blood. In US and many international publications, BAC levels are written as a percentage such as 0.08%, i.e. there is 0.8 ...
Alcohol intoxication leads to negative health effects due to the recent drinking of large amount of ethanol (alcohol). [ 6 ] [ 20 ] When severe it may become a medical emergency . Some effects of alcohol intoxication, such as euphoria and lowered social inhibition , are central to alcohol's desirability.
For impaired driving charges involving the consumption of alcohol, the blood alcohol level at which impairment is presumed is 0.08, although it is possible to be convicted of impaired driving with a lower blood alcohol level. [19] Some states define two impaired driving offenses. [20]
The results of this study compared patterns of alcohol use from 2012-2013 to use in 2001-2002 and found that the rate of alcohol use rose more than 11%; the rate of high-risk drinking increased ...
That equals about 12 ounces of regular beer (at 5% alcohol; some light beers have less) or 5 ounces of wine (at 12% alcohol) or 1.5 ounces of distilled spirits (at 40% alcohol or 80 proof ...
This is about six times the level of ordinary intoxication (0.08%), but vomiting or unconsciousness may occur much sooner in people who have a low tolerance for alcohol. [31] The high tolerance of chronic heavy drinkers may allow some of them to remain conscious at levels above 0.40%, although serious health hazards are incurred at this level.
Alcohol use is directly related to considerable morbidity and mortality, for instance due to intoxication and alcohol-related health problems. [114] The World Health Organization advises that there is no safe level of alcohol consumption. [115]
Drunk driving is the act of operating a motor vehicle with the operator's ability to do so impaired as a result of alcohol consumption, or with a blood alcohol level in excess of the legal limit. [1] For drivers 21 years or older, driving with a blood alcohol concentration (BAC) of 0.08% or higher is illegal.