Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA 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 Understanding Secondhand Vape Dangers and Their Impact on Your Lungs