The U.S. Food and Drug Administration just approved the use of a new device that would let people deliver a dose of naloxone, which reverses overdose effects caused by opioids.

This chart explains why they fast-tracked it:

(The Washington Post)
(The Washington Post)

The number of deaths caused by opioids hasn’t just grown since the beginning of the century — it has exploded. “The main driver of overdoses right now in our country is from opioid medications, more than from heroin,” Nora Volkow, director of the National Institute on Drug Abuse, told Joel Achenbach this year.

The device approved Thursday is small enough to fit in your pocket and walks people through how to administer the drug in an emergency, as my colleague Brady Dennis explains.