Chronic obstructive pulmonary disease COPD is a condition that makes it hard to breathe. Although there is no cure, treatment can improve quality of life. To understand COPD, it may help to break down its name. Chronic means long-lasting. COPD is progressive--it gets worse over time. Obstructive refers to the fact that airflow is obstructed--air can't move freely in and out of the lungs. Obstruction may be from chronic bronchitis swelling and excess phlegm in the airways , emphysema damage to lu...
11/19/2018 10:59:00 AM