Puff Bar continues to sell sweet flavored e-cigarettes that have made it the most popular vaping device among middle and high schoolers. Tony Dokoupil reports on how a tweak to its formula allowed it to avoid regulations, and what could be done about it.
Puff Bar continues to sell sweet flavored e-cigarettes that have made it the most popular vaping device among middle and high schoolers. Tony Dokoupil reports on how a tweak to its formula allowed it to avoid regulations, and what could be done about it.