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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 ...
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 blood alcohol content (BAC) for legal operation of a vehicle is typically measured as a percentage of a unit volume of blood. This percentage ranges from 0.00% in Romania and the United Arab Emirates; to 0.05% in Australia, South Africa, Germany, Scotland, and New Zealand (0.00% for underage individuals); to 0.08% in England and Wales , the ...
The median lethal dose of alcohol in test animals is a blood alcohol content of 0.45%. 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. [34]
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]
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 ...
Intoxication and recklessness with alcohol seem to play a pivotal role in the falls. Over 95% of the victims were found to have high levels of alcohol in their blood, and 37% had consumed other drugs. [51] The balconies have a median height of 8 metres (26 ft), and the people have a median age of 24 years. [52]
In contrast, only 16 percent of those involved in fatal wrecks have BAC levels under 0.08 (and the number is even lower for those specifically in the .05 to .07 range who would presumably be ...