Secondhand vape plumes could form lung damaging radicals American Chemical Society Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Secondhand Smoke vs Vape: What the Science Says Juul study shows secondhand vaping emissions are less toxic than cigarette smoke