Study: Marijuana abuse falls as legalization rises - SFGate (blog)

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SFGate (blog)Study: Marijuana abuse falls as legalization risesSFGate (blog)Federal health officials surveyed 900,000 to get the data. The definitions of “dependence” and “abuse” came from the American Psychiatric Association. About nine percent of people who try pot will at one point in their life meet criteria for dependence ...and more »