How to Quit Vaping: A Practical Guide 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, Inhalation Toxicology of Vaping Products and Implications for Pulmonary Health The Long term Effects of Vaping on Pulmonary Function RT Vaping and COPD