Marijuana vaping up among adolescents, new study finds
https://healthell.blogspot.com/2019/12/marijuana-vaping-up-among-adolescents.html
Marijuana vaping up among adolescents, new study finds
A new survey reports marijuana vaping at 20.8 percent for 12th graders, 19.4 percent for 10th graders and 7 percent for 8th graders.
