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Brain scans reveal cause of smokers' cravings

Within the mind of every smoker trying to quit rages a battle between the higher-order functions of the brain wanting to break the habit and the lower-order functions screaming for another cigarette, say researchers at Duke University Medical Center. More often than not, that cigarette gets lit.

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Keywords: brain, scans, reveal, cause, smokers, cravings, scan, smoker, craving

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