According to a recent article in Psychiatry Advisor, as perceptions of marijuana change, more American adults are using marijuana than ever before, and they're using it more often.  Highlights:

• Wilson Compton, MD, deputy director of the U.S. National Institute on Drug Abuse, and colleagues surveyed 596 500 adults from 2002 to 2014. Use in the last year, daily use and near daily use all increased.  Daily users numbered 8.4 million in 2014 -- more than twice as many as in 2002 (3.9 million).
• Greater use was associated with a drop in the percentage of people who associate smoking marijuana with harm.

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