Chronic obstructive pulmonary disease (COPD), also known as chronic obstructive lung disease, is a general term for a group of conditions in which there is persistent difficulty in expelling (or exhaling) air from the lungs. COPD commonly refers to two...

A disease condition in which the air passageways of the lung become increasingly unable to perform their function. The condition can be caused by a range of diseases, including asthma, chronic bronchitis and pulmonary...

Chronic obstructive pulmonary disease (COPD), also known as chronic obstructive airway disease (COAD), is a group of diseases characterized by the pathological limitation of airflow in the airway that is not fully reversible. COPD is the umbrella term...

Background Chronic obstructive pulmonary disease is the fourth-leading cause of death, yet evidence-based treatment guidelines have been lacking. Within the past year the American College of Physicians--American Society of Internal Medicine and the American College of Chest Physicians have produced guidelines on...

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Los Angeles can continue being the butt of smog jokes now that it has once again topped the American Lung Association's bad air list of most polluted cities in America.The association found that the Los Angeles-Long Beach-Riverside metropolitan area had the worst air based on...

Doctors treating sickened ground zero workers offered Congress a detailed diagnosis Wednesday of the ailments still affecting thousands after the Sept. 11 attacks, but warned that there's no way to determine how many more may become afflicted with life-threatening illnesses.Dr. Philip Landrigan of the Mount...