Scientists: Cocaine changes brain chemistry long-term. Photo:: CC Fusty Box For the first time, scientists have a clear picture of what cocaine use does to the brain on a molecular level, according to the results of a study that appear in the latest issue of Neuron. The results provide a peak into means by which cocaine alters gene activity in the areas of the brain that mediate reward, according Nora Volkow, the director of the U.S. National Institute on Drug Abuse, which commissioned the...
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