Teens say they don't vape, they 'Juul.' That makes the activity hard to track Los Angeles Times Construction of electronic cigarettes Wikipedia Electronic Cigarette Nutristik Vape TOA Report finds 'disturbing failure' to stop underage smoking, vaping in U.S. E Cigarettes Went Unchecked in 10 Years of Federal Inaction The New York Times The majority of e cigarettes on the market are illegal