U.S. high school seniors admitting to marijuana use in the past month continues to gradually increase, according to a recent Monitoring the Future study.

According to the CESAR report, in 2012, 22.9 percent of 12th graders reported using marijuana in the past month, a 25 percent increase since the most recent low of 18.3 percent in 2006 (see chart). In addition, the percentage of high school seniors who thought there was a great risk of harm from regular marijuana use decreased from 57.9 percent in 2006 to 44.1 percent in 2012—the lowest level since 1979.

Hear Marijuana Dilemma webinar which discusses recent marijuana legislation.

Click here to view a PDF of the complete CESAR report.

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