Lungs After Smoking: Understanding Popcorn Lung from Vaping Breathing problems in teens: COVID 19 or lung injury due to vaping? 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, Chest CT progression in a patient with severe e cigarette or vaping Download Scientific Diagram