Chronic Obstructive Pulmonary Disease

Chronic Obstructive Pulmonary Disease (COPD) is a slow progressing destruction of airways caused by gradual loss of lung function. It’s a combination of various lung diseases. In COPD, two lung diseases, namely chronic bronchitis and emphysema are the main diseases. Other diseases like asthmatic bronchitis and bullous disease are also present. This disease is common …