Teens say they don't vape, they 'Juul.' That makes the activity hard to track Los Angeles Times New data show nearly 800,000 teens vaped for the first time in the past year, as FDA is set to announce first major decision to remove a popular e cigarette brand FDA warns retailers against illegal sale of e cigarettes to children PBS News How E Cigarettes Work Vaping: How E cigs Work (Infographic) Live Science How are Non Combusted Cigarettes, Sometimes Called Heat Not Burn Products, Different from E Cigarettes and Cigarettes? FDA