Alcohol
Tolerance
Alcohol
consumption interferes with many bodily functions and affects
behavior. After chronic alcohol consumption, the drinker often
develops tolerance to at least some of alcohol's effects. Tolerance
means that after continued drinking, consumption of a constant amount
of alcohol produces a lesser effect or increasing amounts of alcohol
are necessary to produce the same effect
Alcohol
tolerance is increased by regular drinking.This reduced sensitivity
requires that higher quantities of alcohol be consumed in order to
achieve the same effects as before tolerance was established. Alcohol
tolerance may lead to alcohol dependency
Direct alcohol
tolerance is largely dependent on body size. Large bodied people will
require more alcohol to reach insobriety than lightly built
people.Therefore
men, being larger than women on average, will have a higher alcohol
tolerance. The alcohol tolerance is also connected with activity of
alcohol dehydrogenase
which
are
a
group of enzymes responsible for the breakdown of alcohol in the
liver, and in the bloodstream.
The tolerance to
alcohol is not equally distributed throughout the world's population,
and genetics of alcohol dehydrogenase indicate resistance has arisen
independently in different ethnic groups. People of European descent
on average have a high alcohol tolerance and are less likely to
develop alcoholism compared to Aboriginal Australians, and Native
Americans.
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