Vox takes a look at what's fueling the popularity of Juul e cigarettes among kids. One reason: It delivers a powerful hit of nicotine. According to one young user, After about a week, FDA Authorizes Juul: Setback for Youth Prevention Juul took a page from Big Tobacco to revolutionize vaping Los Angeles Times Juul launches a Bluetooth e cigarette that tracks how much you vape The Verge What is JUUL? All about the new e cigarette vaping trend Daily Mail Online Juul Gets Temporary Reprieve to Keep Selling Its E Cigarettes The New York Times