Secondhand Smoke and Electronic Cigarette Aerosols US EPA Secondhand Vape Exposure: Effects, Who's at Risk, and More 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. From flavor bans to secondhand aerosol exposure, there's a lot people don't realize about how vaping impacts health, policy, and safety. Flavor restrictions can change tobacco use patterns, influence black market Smokefree DeKalb County DeKalb County Health Department Juul study shows secondhand vaping emissions are less toxic than cigarette smoke