A booming underground vape market is thriving. It’s unapproved, unregulated, and risky. Today on the show, we hear from The Atlantic’s Nick Florko to dig into why illegal vapes have flooded the U.S., and what’s at stake.

Related episodes:

The vapes of wrath

How sports gambling blew up

For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org . Fact-checking by Sierra Juarez . Music by Drop Electric . Find us: TikTok , Instagram , Facebook , Newsletter .

See Full Page