It's official. Flavored e cigarettes cause permanent lung damage. And doctors are already seeing it happen. In the United States, a teenager developed something called popcorn lung after secretly vaping for three years. Mouth to Lung vs Direct to Lung Vaping: What's the Difference? RBV Red Box Vape Does Vaping Cause Lung Cancer? INTEGRIS Health The Impact of Smoking and Vaping on Respiratory Health Blog 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,