Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Second Hand Vaping: Minimal Impact Compared to Smoking Vape Smoke 220w Risk From Second Hand Smoke On Children Greater Than Previously Thought Second Hand Smoking From Vaping 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.