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 Secondhand vaping may pose risk to your kids: New study Secondhand Vape Exposure May Be Risky for Asthmatic Teens UCT Lung Institute E Cig Vapor Or Secondhand Smoke: Which Is Worse For You? 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.