The Dangers of Secondhand & Thirdhand Smoke Exposure Complete Guide to Secondhand Vaping Devices Vape Direct Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA 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