Is passive vaping a hidden risk to the public? Here's what the experts know so far ABC News Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Parents using e cigs expose kids to dangerous secondhand vapor Futurity Effect of second hand fumes from vaping on young lungs The Dangers of Secondhand & Thirdhand Smoke Exposure Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect