Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect The Dangers of Secondhand & Thirdhand Smoke Exposure The Issues of Testing for Secondhand Smoke. Indoor Science In secondhand vape, scientists smell risk American Heart Association Tobacco Smoke, Vaping, and Asthma AAFA.org We protect kids from cigarette smokelet's do the same with vaping. Secondhand vape isn't harmless, here is what parents need to know: https: www.undo.org disease secondhand vape