About E Cigarettes (Vapes) Smoking and Tobacco Use CDC Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association An updated overview of e cigarette impact on human health Respiratory Research Springer Nature Link