Second hand vape smoke linked to more asthma symptoms in kids Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics Secondhand Vaping: E Cigarettes Pose a Risk to More Than Just the User Eastburn Hypnotherapy Center Denver, CO Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA