E cigarettes May Be Affecting the Health of Teenagers That Don't Smoke Study Finds Ninth Graders Who Used E Cigarettes More Likely to Smoke WSJ Vaping: Rise in underage e cigarette use alarms Wisconsin health officials UCLA study finds even short term vaping poses significant risk to health Daily Bruin Adolescents' E Cigarette Use: Increases in Frequency, Dependence, and Nicotine Exposure Over 12 Months Know the facts about e cigarettes