Marijuana and synthetic marijuana are the most prevalent illicit drugs used by 12th graders, according to data from the most recent national Monitoring the Future (MTF) survey. Slightly more than one-third (36.4%) of high school seniors reported using marijuana in the past year, including 11.3% who reported using synthetic marijuana, compared with less than 8% for all other illicit drugs (see figure below). These estimates of synthetic marijuana use among U.S. high school students are nearly identical to those found by another 2012 survey of high school students (see CESAR FAX, Volume 22, Issue 17). The MTF survey also found that approximately one-fourth (24%) of 12th graders perceive a great risk for harm in trying synthetic marijuana once or twice, and one-third (33%) think there is a great risk for harm in using the drug occasionally, compared to 15% and 21%, respectively, for marijuana. Previous research on high school students has shown that students’ perceived risk is related to their likelihood of using a drug (see CESAR FAX, Volume 20, Issue 3).
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