Ernest P. Noble

In the following viewpoint, Ernest P. Noble argues that some people may have a genetic propensity for drug addiction. According to Noble, people with a particular variation of what researchers have nicknamed the “pleasure-seeking” gene may turn to drugs to increase their brains’ dopamine levels. He asserts that by understanding the nature of this genetic variation, more innovative treatment options can be developed. Noble is a professor of psychiatry and the director of the Alcohol Research Center at UCLA’s Neuropsychiatric Institute and Hospital.

As you read, consider the following questions:

1. According to Noble, what percentage of American adults is addicted?
2. In Noble’s opinion, which therapies will best help drug abusers who are genetically predisposed to addiction"

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