CDC confirms that teens are vaping weed

The Centers for Disease Control and Prevention are onto the fact that young people are using e-cigarettes to vape cannabis. Now, thanks to a new study, the CDC has a better sense for just how common it is.The findings are from the 2016 National Youth Tobacco Survey of more than 20,000 middle school and high school students. More than 5,200 students reported having tried e-cigarettes, the study reports today in the journal JAMA Pediatrics. But the researchers were especially interested in what e