According to a new CDC report, deadly fentanyl overdoses are now costing more lives than any other illicit drug. Fentanyl is an opioid similar to morphine, but 50 to 100 times more potent. Doctors use the drug in major surgeries and cancer treatment, but now that it’s become a street drug, drug dealers add it to other drugs like heroin or cocaine.

Fentanyl was the deadliest drug in 2016 according to the CDC, but heroin and oxycodone were the most dangerous in previous years. About 29% of drug overdose deaths involved fentanyl. However, as the drug shows up with other substances, fentanyl has often become a culprit without the user themselves knowing they ingested it. Overdoses of heroin and cocaine have also gone up, which may also be thanks to fentanyl.

Drug use trends aren’t getting better, either. Heroin …