Juul, the vape device teens are getting hooked on, explained Vox Juuling, the latest e cig craze that has schools worried Teens say they don't vape, they 'Juul.' That makes the activity hard to track Los Angeles Times Why Isn't My Juul Charging How Do You Fix A Juul That Won't Charge? Juul Teardown iFixit Poison center warns of JUUL use; 1 pod has 5% nicotine or 1 pack of 20 cigarettes