Secondhand Smoke ASH 5 Vaping Facts You Need to Know Johns Hopkins Medicine Secondhand Smoke Tips to Navigate Life with a Smoker 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 e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN