The Impact of Smoking and Vaping on Respiratory Health Blog What is Mouth to Lung and Direct to Lung Vaping? Vape Blogs Vapor Shop Direct What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Smoking cigarettes has long been proven to cause severe lung damage, including chronic obstructive pulmonary disease (COPD), emphysema, and lung cancer. Over time, cigarette smoke destroys lung tissue, fills airways with tar,