Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Secondhand Smoke Vermont Department of Health Children at risk: Emory study uncovers the hidden dangers of secondhand vape exposure While vaping is not risk free, it is less harmful than tobacco Our World in Data Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect