The Fentanyl Crisis Explained

Young people are using drugs less than they were 20 years ago—but dying more. Why? Because fake pills that look exactly like real Xanax, Oxy and Adderall have flooded the market, and they're made with fentanyl. Dr. Hadland, Dr. Zona, and other experts explain what's changed, how potent fentanyl really is, and why the old rules no longer apply.