Secondhand Smoke Second hand E cigarette Vapour Increases Risk Of Poor Respiratory Health Study Finds Cigarette Smoke Detector 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 secondhand aerosol