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 Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics Secondhand Smoke "Family" Maine Prevention Store Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect