The Relationship Between Emphysema and COPD PAM Health Respiratory effects of electronic cigarette use in individuals who never smoked: A systematic review ScienceDirect 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, Emphysema vs. COPD: Stages and Prognosis Compared COPD: Chronic Bronchitis vs. Emphysema COPD is an umbrella term that commonly includes chronic bronchitis and emphysema, two conditions with very different presentations. Chronic Bronchitis (Blue Bloater) Productive cough Silent Airway Mucus Plugs in COPD and Clinical Implications CHEST