The Troubling Truth About COPD and Vaping University of Maryland Medical System Health Hub Association of electronic cigarette use and risk of COPD: a systematic review and meta analysis npj Primary Care Respiratory Medicine COPD (Emphysema and Chronic Bronchitis): From Diagnosis to Treatment Manual of Medicine Smoking Cessation for COPD: Benefits & Tips Chronic obstructive pulmonary disease (COPD) is a chronic, progressive lung disorder characterized by persistent airflow limitation that is not fully reversible. It develops gradually, most often due to long term exposure to harmful E cigarette use increases risk for developing major respiratory diseases