What is fentanyl and why is it behind the deadly surge in US drug overdoses?

Kavita Babu, MD, professor of emergency medicine, writes for The Conversation about illicitly manufactured fentanyl that is driving the increasing number of opioid overdose deaths.

What Is Fentanyl And Why Is It Behind The Deadly Surge In US Drug Overdoses? A Medical Toxicologist Explains

It's crazy out there': The reasons behind Oregon's deepening drug crisis - OPB

Fentanyl, Inc.: How Rogue Chemists Are Creating the Deadliest Wave of the Opioid Epidemic

Fentanyl continues to drive deadly overdose epidemic

What Is Fentanyl? Some Key Facts About the Drug - The New York Times

What's fentanyl, and why have deaths due to drug overdose spiked in the US?, Drugs News

Black men hit hardest by drug overdose deaths in recent years

Opioid epidemic in the United States - Wikipedia

Denver Street Drugs Laced – or Loaded – with Deadly Fentanyl