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 Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA Secondhand Smoke and Electronic Cigarette Aerosols US EPA Effect of second hand fumes from vaping on young lungs