If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. 5 Vaping Facts You Need to Know Johns Hopkins Medicine Does Vaping Cause Lung Cancer? What We Know (and Still Don't) Smoking Flower vs Vaping: Which Is Better for Your Lungs? How to Quit Vaping, According to Experts The New York Times E cigarette Myths Go Up In Smoke St. George Medical Clinic