More than 20% of U.S. high school seniors reported vaping marijuana in 2019, the...
CHICAGO - More than 20% of U.S. high school seniors reported vaping marijuana in 2019, the second largest single-year increase in any substance of abuse ever recorded in the annual study of national drug use trends, researchers reported on Wednesday.
Compiled by researchers at the University of Michigan and published in the medical journal JAMA, the “Monitoring the Future” study found that 21% of 12th graders, 19% of 10th graders and 7% of 8th graders reported vaping THC in the last year. “Whatever teens can vape has increased dramatically in the last few years,” Richard Miech, who led the study, said in emailed comments.
The number of 12th graders who said they had vaped marijuana in the past month doubled from the 2018 survey to 14%. Rates also are rising among younger teens. The 2019 study also showed another gain in nicotine vaping, which rose 5.6 percentage points from a year ago to 35% of 12th graders.
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