As FDA bans Juul vape products from US market, doctors and critics weigh in FDA reverses order taking Juul vaping products off the market in US, opens door to possible authorization ABC News Juul e cigarettes were banned in the U.S. What are the vaping rules in Canada? The Globe and Mail Effects of Aftermarket Electronic Cigarette Pods on Device Power Output and Nicotine, Carbonyl, and ROS Emissions Chemical Research in Toxicology