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Can Heavy Drinkers Learn To Cut Back?

The thinking about alcohol dependence used to be black and white. There was a belief that there were two kinds of drinkers: alcoholics and everyone else. "But that dichotomy — yes or no, you have it or you don't — is inadequate," says Dr. John Mariani, who researches substance abuse at Columbia University. http://goo.gl/MlhiWE #FullNewsAudioAvailable #NPR

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