Children as Young as 10 Are Learning How to Save Someone From A Heroin Overdose

This video is unavailable because we were unable to load a message from our sponsors.

If you are using ad-blocking software, please disable it and reload the page.

ABC World News Tonight anchor David Muir says one of the big issues he's hearing about on the campaign trail is the national heroin epidemic.

Read: Woman Caught Allegedly Smuggling Cocaine in Breast Implants

“This is a problem that knows no boundaries. It's affecting rich and poor alike,” he told IE.

The candidates are hearing it, too.

Donald Trump recently said: “It's one of the questions I get asked about all the time.”

Muir anchors a special episode of 20/20 Friday night titled: "Breaking Point: Heroin In America."

Read: Drug Ring Stashed Cocaine in Toy Characters From Frozen, The Minions

In the special, Muir explored how children are learning how to administer an antidote called Narcan to somebody in the throes of a heroin overdose.

“Children as young as 10 and 11 are being taught how they can save someone,” he told IE. “It's a terrible problem.”

Watch: Man Gets Revived From Heroin Overdose After He Shoots Up On Public Bus