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 may be causing irreversible harm to children's health, doctors say Vaping The Guardian Secondhand Smoke Tips to Navigate Life with a Smoker Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN