More U.S. high school seniors reported vaping cannabis in states where it is legal only for medical purposes than states where all adult use is permitted—a study finding that surprised the researchers.
About 27% of twelfth graders in medical marijuana states reported vaping cannabis compared to 19% in states that prohibited cannabis or allowed it for adult use, according to the Washington State University study.
“More than a quarter of our youth in medical states were vaping cannabis. That’s a lot,” said Christian Maynard, a WSU sociology Ph.D. student and first author of the study published in the journal Drug and Alcohol Dependence Reports. “We were expecting medical and adult use states would be more similar. Instead, we didn’t find any statistical difference between prohibited and adult use states.”
For this study, Maynard and his advising professor, WSU sociologist Jennifer Schwartz, analyzed responses from 3,770 high…