Pupils are being left in comas by vapes laced with 'zombie' drugs Christopher Pudney Vaping and Marijuana Concentrates: What is Vaping? Vaping may lead to future drug use. Youth who vape are at higher risk for developing substance use disorders. For more information visit: https: www.cdc.gov tobacco e cigarettes youth.html. #NDAFW Drug laced vapes pose a serious and growing public health threat. Attractive flavours and packaging can hide dangerous substances such as ketamine, fentanyl, heroin, methamphetamine, THC and synthetic opioids. Even small amounts can