Parents using e cigs expose kids to dangerous secondhand vapor Futurity Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN E cigarettes pose threat to users' and bystanders' health Novant Health Healthy Headlines Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect Does Vaping Cause Secondhand Smoke?