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 Can Vaping Cause Lung Cancer? Here's What We Know. Can Vaping Cause Cancer? What Does It Do to Your Lungs? Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America