Secondhand Vape Exposure: Effects, Who's at Risk, and More Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London While vaping is not risk free, it is less harmful than tobacco Our World in Data 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