E Cig Vapor Or Secondhand Smoke: Which Is Worse For You? YouTube Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Secondhand vape plumes could form lung damaging radicals American Chemical Society Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN TobaccoControlYouthEngagement Vaping can cause severe lung complications, which in some cases can be fatal The tobacco epidemic is one of the biggest public health threats the world has ever faced, killing more Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM