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 Secondhand vaping may pose risk to your kids: New study Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek The risks of vape pens' secondhand aerosols 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.