Medicor Research Inc. Emphysema: Causes, Symptoms, Diagnosis, Treatment & Prevention 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 Can E Cigarette use be Beneficial to Patients with COPD? Red Vape CoEHAR's study confirms beneficial effects of ecig on copd smokers Electronic cigarette use and its association with asthma, chronic obstructive pulmonary disease (COPD) and asthma COPD overlap syndrome among never cigarette smokers