Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice 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. Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN What Does Vaping Do to Your Lungs? Johns Hopkins Medicine