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 Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association Secondhand vape exposure: Risks and side effects Hidden Dangers of Secondhand Vaping Emory Health Digest Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics