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 Tobacco Smoke, Vaping, and Asthma AAFA.org Secondhand Smoke and Electronic Cigarette Aerosols US EPA Is Secondhand Vape Smoke Bad for You? The Truth on the Trend Molekule Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA Second Hand Smoke Vape Secondhand Smoke