Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Understanding the Hidden Health Risks of Vaping UL Research Institutes Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice What Chemicals Are Present in Secondhand Vape Emissions? Can you get second hand smoke from a vape