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 Tobacco Smoke, Vaping, and Asthma AAFA.org Secondhand Vape Plumes Could Form Lung damaging Radicals 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.