The Permanent Subcommittee on Investigations, which I have chaired for the past year, has been examining the rise of JUUL and Puff Bar and the role of federal regulation in the youth vaping epidemic.

Following is a transcript of the video. Irene Kim: You've heard of Juul. It's the highest-selling and fastest-growing e-cigarette on the market. In 2017, it generated $224 million in revenue.

Juul launched in 2015, and within two years on the market, its popularity skyrocketed. Cofounders Adam Bowen and James Monsees were hoping to create a satisfying alternative to cigarettes for ...