What is Emphysema? Emphysema is a chronic lung disease that causes damage to the lungs’ air sacs (alveoli), making breathing difficult. It is a kind of chronic obstructive pulmonary disease (COPD) that is primarily caused by continuous exposure to irritants such as cigarette smoke or air pollution. Causes: Signs and Symptoms: How to Diagnose? Doctors … Continue reading What is Emphysema? Causes, Symptoms, and Treatment Options