Which Smoking Habit Puts You Most at Risk? Does Vaping Cause Lung Cancer? 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 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. HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. What Does Vaping Do to Your Lungs? Johns Hopkins Medicine