Please explain: Why vapes laced with nitazenes are causing alarm The Lighthouse Overdoses Linked To Illicit Vape Juice NSW Health Pathology 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 E Cigarette Brands Are Skirting the Rules About Health Warning Labels on Instagram, Study Finds The Brink Boston University