Fentanyl added to party drugs is causing a spike in overdose deaths
Fentanyl is a powerful painkiller used legally in hospitals. It can also amplify the effects of heroin, cocaine, methamphetamine, and counterfeit prescription drugs. But because it's so powerful, just a little too much fentanyl can be extremely dangerous. And it's causing a spike in overdose deaths among drug users. Plus, learn the phrasal verb "mix in."