While early research suggests it may not be as dangerous as secondhand smoking, it's still not harmless, experts say. https: www.wate.com news does vaping cause secondhand smoke doctors explain the side effects ?utm_medium=social&utm_source Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Tobacco Smoke, Vaping, and Asthma AAFA.org Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase Parents using e cigs expose kids to dangerous secondhand vapor Futurity Tobacco Smoke, Vaping, and Asthma AAFA.org