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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 ...
Binge drinking is defined as the amount of alcohol it takes to raise a person’s blood-alcohol concentration level to 0.08, ... it might seem tricky to calculate how much alcohol is safe to drink.
The ratio of venous blood alcohol content to breath alcohol content may vary significantly, from 1300:1 to 3100:1. Assuming a blood-alcohol concentration of 0.07%, for example, a person could have a partition ratio of 1500:1 and a breath test reading of 0.10 g/2100 mL, over the legal limit in some jurisdictions. [ 16 ]
Symptoms of varying BAC levels. Additional symptoms may occur. The short-term effects of alcohol consumption range from a decrease in anxiety and motor skills and euphoria at lower doses to intoxication (drunkenness), to stupor, unconsciousness, anterograde amnesia (memory "blackouts"), and central nervous system depression at higher doses.
The laws of driving under the influence vary between countries. One difference is the acceptable limit of blood alcohol content.For example, the legal BAC for driving in Bahrain is 0, despite drinking alcohol being allowed, in practice meaning that any alcohol level beyond the limit of detection will result in penalties.
A study drawing on international BAC levels concluded that reducing the U.S. BAC level to .05 would result in an 11 percent reduction in alcohol-related crashes.
The Swedish Transport Agency trialed it in 1999 and offered a programme of alcohol interlock device with medical certificates for drivers convicted with a BAC level between 0.2 and 0.9 g/l and a 2 year programme for convicted repeat offenders (within a five-year period), and offenders with a BAC level of at least 1.0 g/. As of 2020, about 3,000 ...
The alcohol by volume shown on a bottle of absinthe. Alcohol by volume (abbreviated as alc/vol or ABV) is a standard measure of the volume of alcohol contained in a given volume of an alcoholic beverage, expressed as a volume percent.