- December 18, 2019
- University of Michigan – Institute for Social Research
“Increases in adolescent marijuana vaping from 2018 to 2019 ranked among the largest single-year
increases ever observed by Monitoring the Future in the past 45 years among all outcomes ever measured. In 2019 the
percentage of adolescents who had vaped marijuana in the last 12 months was 21% in 12th grade, 19% in 10th grade, and
7% in 8th grade.”
http://www.monitoringthefuture.org/pressreleases/19drugpr.pdf