Quote:
Originally Posted by Civ95
why can't you tolerate alcohol? sorry if I'm generalising a bit, but my asian friends tend to go overboard with very small quantities...
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An estimated one-third of persons of East Asian[dubious – discuss] and Native American descent have an alcohol flush reaction, a condition where the body cannot break down ingested alcohol completely because it lacks the genetically coded enzyme that performs this function in the bodies of drinkers with "normal" tolerance levels. Flushing, or blushing, is associated with the erythema (reddening caused by dilation of capillaries) of the face, neck, and shoulder, after consumption of alcohol.[2]
The Internet is your friend.
http://en.wikipedia.org/wiki/Alcohol_tolerance