Secondhand Vape Plumes Could Form Lung damaging Radicals Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Parents using e cigs expose kids to dangerous secondhand vapor Futurity 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