What Does Vaping Do to Your Lungs? Johns Hopkins Medicine We protect kids from cigarette smokelet's do the same with vaping. Secondhand vape isn't harmless, here is what parents need to know: https: www.undo.org disease secondhand vape Tobacco Smoke, Vaping, and Asthma AAFA.org 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. E Cigarettes (Vapes) Smoking and Tobacco Use CDC