Chronic Obstructive Pulmonary Disease (COPD) - Geeky Medics

cop4dChronic obstructive pulmonary disease (COPD), which includes chronic bronchitis and emphysema, is a chronic lung disease that makes it hard to breathe. HereStage IV chronic obstructive pulmonary disease (COPD) is classified as very severe and in advanced stages. Learn more about the symptoms, diagnosis, and treatment of