But these drugs have reason to be so forceful in hitting the brain, Volkow said when I interviewed her at the drug abuse institute in Bethesda, Maryland. They need to get the brain really excited in order to override our concern that abusing drugs is too dangerous. If we obtain the drugs illegally, we run the risk of being arrested or getting a batch that is so strongly concentrated or contaminated it will kill us. In order to surmount these sizable risks, drugs have to maximize the initial cravings, and then follow that up with some exceptionally great feelings of pleasure as a reward, or we
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