What We Know About Vaping Smokefree Experts say that flavored e cigarettes can cause irreversible lung damage. A U.S. teen developed "popcorn lung" after secretly vaping for 3 years a permanent, life altering disease. Officially known as bronchiolitis obliterans, Your lungs can't tell the difference between smoking and vaping Vaping can scar your lungsand the long term damage? Still not fully known. Comment LUNG and we'll DM you a video What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine