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Do Marijuana and Alcohol Mix? Colorado is About to Find Out

The legalization of use and possession of small amounts of marijuana for those 21 and older in Colorado and Washington will provide researchers worldwide with the best chance ever to study the interplay of alcohol use and marijuana use.

The legalization of use and possession of small amounts of marijuana for those 21 and older in Colorado and Washington will provide researchers worldwide with the best chance ever to study the interplay of alcohol use and marijuana use.

Caroline Cournoyer is GOVERNING's senior web editor.