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American Museum of Natural History: Addiction and the Brain


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Only a small percentage of people who try an illicit drug will go on to develop addiction. What makes one more vulnerable to addiction than another? Theories abound, from troubled childhoods to work stress to genetics. Psychiatrist Edmund Griffin explains how epidemiology, cocaine-addicted rats, and molecular neuroscience all help to shed light on one of society’s most troubling questions: Why is it that some people just can’t get enough?

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