What You Should Know about E Cigarettes & Vaping American Lung Association What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign. Is Secondhand Vaping Something to be Concerned About? Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Secondhand Vape Exposure: Effects, Who's at Risk, and More