2 million US teens are vaping marijuana, survey finds
https://healthell.blogspot.com/2018/09/2-million-us-teens-are-vaping-marijuana.html
2 million US teens are vaping marijuana, survey finds
A school-based survey shows nearly 1 in 11 U.S. students have used marijuana in electronic cigarettes, heightening concern about the new popularity of vaping among teens.
