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, Vaping Related Acute Parenchymal Lung Injury: A Systematic Review ScienceDirect What COPD Patients Should Know About Vaping and E Cigarettes LPT Medical E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine COPD and Vaping: Understanding the Risks and Long Term Effects Switching from cigarettes to vapes improved heart and lung measures in COPD trial Clearing the Air