Synthetic Opioids Found in Vapes and THC Products Narcotics.com A fatal drop: what do we know about the drugs, 500 times stronger than heroin, taking Australian lives? Drugs The Guardian Explainer: nitazenes and xylazine a cause for concern News Chemistry World Child treated for overdose as vapes spiked with nitazenes BBC News Stay informed: what are nitazenes? Here's what Missourians should know. Nitazenes are synthetic opioids that are being found across the state in counterfeit pills, powders, and vapes. They are more potent than