First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me 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 Juul study shows secondhand vaping emissions are less toxic than cigarette smoke E cigarettes contain hazardous substances, addictive and harmful