FDA Denies Approval for Juul Tobacco and Menthol Vapes The Vexing Vape: Officials Say Small Vaping Device Juul A Major Health Risk To Youth WKMS Teens use Juul e cigarettes much more often than other vaping products 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,