Study: Marijuana Use Increases, Shifts Away from Illegal Market | WHAT REALLY HAPPENED


Study: Marijuana Use Increases, Shifts Away from Illegal Market

A new article published by researchers from University of Puget Sound and University of Washington reports that, based on analysis of public wastewater samples in at least one Western Washington population center, cannabis use both increased and substantially shifted from the illicit market since retail sales began in 2014.

Led by chemist Dan Burgard, the research team analyzed wastewater samples collected from 2013-2016 from two treatment plants that service a community of two hundred thousand in Western Washington...

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