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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 ...
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. The highest specific threshold is 0.08% in countries such as Ghana and England, while ...
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.
Map of Europe showing countries' blood alcohol limits (the "drink-drive" limit) as defined in g/dl (grams per decilitre). A decilitre is 100 millilitres, or one tenth of a litre. 10 mg/100ml is 0.1g/l is 0.01 g/dl. Figures for a fully qualified driver – some countries enforce lower limits for newly qualified and/or professional drivers.
Percentage of US car crash fatalities where driver blood alcohol level was .01 and above, 1999–2012. Drunk driving is one of the largest risk factors that contribute to traffic collisions. As of 2015, for people in Europe between the age of 15 and 29, driving under the influence of alcohol has been one of the main causes of mortality. [23]
Levels of even less than 0.1% can cause intoxication, with unconsciousness often occurring at 0.3–0.4%. [83] Death from ethanol consumption is possible when blood alcohol levels reach 0.4%. A blood level of 0.5% or more is commonly fatal. The oral median lethal dose (LD 50) of ethanol in rats is 5,628 mg/kg. Directly translated to human ...
Death from ethanol consumption is possible when blood alcohol levels reach 0.4%. A blood level of 0.5% or more is commonly fatal. The oral median lethal dose (LD 50) of ethanol in rats is 5,628 mg/kg. Directly translated to human beings, this would mean that if a person who weighs 70 kg (150 lb) drank a 500 mL (17 US fl oz) glass of pure ...
In jurisdictions in the U.S., maximum blood alcohol levels for legal driving are about 17 to 22 mM. [ 67 ] [ 68 ] In the upper range of recreational ethanol concentrations of 20 to 50 mM, depression of the central nervous system is more marked, with effects including complete drunkenness, profound sedation, amnesia, emesis, hypnosis, and ...