Why is vaping so popular? Devices are sleek and can be highly addictive. Vox Vaping goes mainstream Juul to pull popular fruity e cigarette flavors in bid to curb teen use Vaping The Guardian JUUL vs JUUL2: What's the Difference? Health and Care Teens say they don't vape, they 'Juul.' That makes the activity hard to track Los Angeles Times The FDA Orders Juul to Pull All of its Vaping Products From the U.S. Market KQED