Secondhand vape plumes could form lung damaging radicals American Chemical Society Secondhand smoke and secondhand aerosol Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London 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 Have you heard of Third Hand Smoke , When most people think about the risks of smoking, they picture first or second hand smokethe smoke you inhale or breathe when someone lights up near you. But