People with family histories of alcoholism tend to have lower levels of endorphins- the endogenous morphine that is responsible for many of our pleasure responses- than do people genetically disinclined to alcoholism. Alcohol will slightly raise the endorphin level of people without the genetic basis for alcoholism; it will dramatically raise the endorphin level of people with that genetic basis. Specialists spend a lot of time formulating exotic hypotheses to account for substance abuse. Most experts point out, strong motivations for avoiding drugs; but there are also strong motivations for taking them. People who claim not to understand why anyone would get addicted to drugs are usually people who haven't tried them or who are genetically fairly invulnerable to them.
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About Andrew Solomon
Andrew Solomon was a contemporary American writer. Andrew Solomon is an American writer on politics, culture and psychology, who lives in New York City and London. He has written for The New York Times, The New Yorker, Artforum, Travel and Leisure, and other publications on a range of subjects, including depression, Soviet artists, the cultural rebirth of Afghanistan, Libyan politics, and Deaf politics. Read more on Wikipedia →