Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics The Issues of Testing for Secondhand Smoke. Indoor Science Please help i go my tooth pulled on the 22nd at 2:40ish so its been roughly 49ish hours and I do vape but haven't since I got it pulled because im so Secondhand vaping may pose risk to your kids: New study Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign.