Health effects of electronic cigarettes Wikipedia 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 Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association What Are the Risks from Secondhand Vape Smoke? NVB Inc.