Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Secondhand vape plumes could form lung damaging radicals American Chemical Society Why Are E cigarettes Dangerous? Hackensack Meridian Health Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand vaping: The latest vaping health risk CNET Does Vaping Cause Secondhand Smoke?