Tobacco Smoke, Vaping, and Asthma AAFA.org Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center 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 Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA