Secondhand e cigarette vape smoke exposure increased in last 4 years, contain harmful toxins: JAMA Network study ABC7 Chicago What harm does second hand fumes from vaping cause to young lungs? Medical experts want to know ABC11 Raleigh Durham Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN E Cigs and Second Hand Vaping: Dangers and Protections