Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center The health risks of secondhand smoke are widely understood. But what about secondhand vaping? 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 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 Vaping: More teens exposed to dangerous secondhand smoke ABC7