Secondhand Smoke and Electronic Cigarette Aerosols US EPA Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics Juul study shows secondhand vaping emissions are less toxic than cigarette smoke 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. Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN CA DPH Misrepresents Cannabis Smoke & Vape Hazards Using Anti Tobacco Funds CaNorml.org