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 E Cig Vapor Or Secondhand Smoke: Which Is Worse For You? Second hand vape smoke linked to more asthma symptoms in kids Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America