The History of Vaping: The beginning of vape and Electronic Cigarettes Printable materials Vaping Information, Solutions & Interventions Toolkit Stanford Medicine 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 Vaping Fact Sheet CardioSmart American College of Cardiology