What Does Vaping Do to Your Lungs? Johns Hopkins Medicine ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY In secondhand vape, scientists smell risk Health cherokeephoenix.org