Duke University

Smokers' brains vary in sensitivity to drug cues

Published in Mental Health Business Week, July 23rd, 2005

Not all smokers are alike when it comes to cravings, and a new study conducted by researchers at Duke University Medical Center suggests the difference may lie in their brains' sensitivity to drug cues.

The researchers found that smokers who report a greater urge to smoke after a period of abstinence also exhibit stronger brain activity after viewing smoking-related images, such as others smoking or a pack of cigarettes. Smokers who noted fewer cravings showed stable brain responses to the same drug cues, despite hours of deprivation.

The findings suggest important differences among smokers in brain responses that underlie the smoking habit, the...

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Source: Mental Health Business Week (2005-07-23)

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