Juul Introduces Checkout System to Combat Underage Purchases WSJ Juul, the vape device teens are getting hooked on, explained Vox Teens say they don't vape, they 'Juul.' That makes the activity hard to track Los Angeles Times FDA Strikes Again Flavored Vape Pods Are Banned, JUUL Gets Hit Hard Effects of Aftermarket Electronic Cigarette Pods on Device Power Output and Nicotine, Carbonyl, and ROS Emissions Chemical Research in Toxicology Juul Announces Preemptive Restrictions on Its E Cigarette Flavors