Tobacco Smoke, Vaping, and Asthma AAFA.org 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 Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign. Secondhand Vape Exposure: Effects, Who's at Risk, and More Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect