E Cigs and Second Hand Vaping: Dangers and Protections Tobacco Smoke, Vaping, and Asthma AAFA.org Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Passive vaping time we see it like secondhand smoke and stand up for the right to clean air