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 Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Is Secondhand Vape Smoke Bad for You? The Truth on the Trend Molekule E Cigarettes (Vapes) Smoking and Tobacco Use CDC