New Study Finds Legalization Hasn’t Increased Cannabis Use


A new study published in the journal Addiction has found that legalization is not a contributing factor to increased cannabis use among adults in the United States. The study was conducted by researchers at the Public Health Institute’s Alcohol Research Group, and they used data provided by periodic national alcohol surveys. That data was compared to results on cannabis use from those surveys, which was looked at alongside changes in state marijuana laws.

“Results …did not show significant increases in use related to medicinal marijuana legislation,” William Kerr, author of the study, said in a statement. “It appears that the passage of these policies reflects changing attitudes toward marijuana use, rather than the other way around.”

The study found that between the years of 1984 and 2015, cannabis use among men increased to 14.7%, while consumption among women doubled

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