Chronic obstructive pulmonary disease (COPD) affects millions of people each year. Chronic means long term, obstructive means it is hard to get air in and out of the lungs. The most familiar diseases in this group are emphysema and chronic bronchitis. In emphysema there is damage to the walls of the air sacs (alveoli) in the lungs. The earliest symptom of emphysema is shortness of breath during activity. Later the shortness of breath can occur at rest also.
Click to open: Alpha-1 Antitrypsin Deficiency (Lung Disease)