Chronic Obstructive Pulmonary Disease (COPD)
A type of lung disease marked by permanent damage to in the , making it hard to breathe. obstructive disease includes chronic , in which the (large air passages) are inflamed and scarred, and , in which the (tiny air ) are damaged. It develops over many years and is usually caused by cigarette smoking. Also called COPD.
COPD, or obstructive (PULL-mun-ary) disease, is a progressive disease that makes it hard to breathe. “Progressive” means the disease gets worse over time.
COPD can cause that produces large amounts of (a slimy substance), wheezing, shortness of breath, tightness, and other symptoms.
Cigarette smoking is the leading cause of COPD. Most people who have COPD smoke or used to smoke. Long-term exposure to other lung irritants – such as air pollution, chemical fumes, or dust – also may contribute to COPD.
To understand COPD, it helps to understand how the work. The air that you breathe goes down your into tubes in your lungs called bronchial (BRONG-ke-al) tubes or airways.
Within the , your branch into thousands of smaller, thinner tubes called (BRONG-ke-ols). These tubes end in bunches of tiny round air…