The Impact of E Cigarettes and Asthma: What You Need to Know ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA What vaping does to your body What Does Vaping Do to Your Lungs? Johns Hopkins Medicine What Does Vaping Do to Your Lungs? Johns Hopkins Medicine