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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.
Alcohol binds to several different subtypes of GABA A, but not to others. The main subtypes responsible for the subjective effects of alcohol are the α 1 β 3 γ 2, α 5 β 3 γ 2, α 4 β 3 δ and α 6 β 3 δ subtypes, although other subtypes such as α 2 β 3 γ 2 and α 3 β 3 γ 2 are also affected. Activation of these receptors causes ...
Alcohol intoxication, also known in overdose as alcohol poisoning, [1] commonly described as drunkenness or inebriation, [9] is the behavior and physical effects caused by a recent consumption of alcohol. [6][10] In addition to the toxicity of ethanol, the main psychoactive component of alcoholic beverages, other physiological symptoms may ...
Drunk driving in the United States. 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.
0.05% for all other drivers. Driving with 0.15% BAC by mass and above (legally defined as Drunk Driving) is a distinct offence from having over 0.08% but under 0.15% BAC, and is subject to heavier penalties. Persistent offenders may be barred from driving for terms up to and including life, and may be imprisoned.
Alcohol (also known as ethanol) has a number of effects on health. Short-term effects of alcohol consumption include intoxication and dehydration. Long-term effects of alcohol include changes in the metabolism of the liver and brain, several types of cancer and alcohol use disorder. [1] Alcohol intoxication affects the brain, causing slurred ...
NHTSA reports that the following blood alcohol levels (BAC) in a driver will have the following predictable effects on his or her ability to drive safely: (1) A BAC of .02 will result in a "[d]ecline in visual functions (rapid tracking of a moving target), a decline in the ability to perform two tasks at the same time (divided attention)"; (2 ...
The reduced ability of such a liver to metabolize or break down alcohol means that small amounts can lead to a high blood alcohol concentration (BAC) and more rapid intoxication. [citation needed] Studies have shown that 2–3 weeks of daily alcohol consumption increases tolerance. [3]