With the earlier definition of chronic obstructive pulmonary disease (COPD), patients were essentially defined as having either chronic bronchitis or emphysema, with emphysema classified as a ...

Chronic obstructive pulmonary disease (COPD) is among the most common breathing conditions. It's the result of damaged lung tissue.

Several conditions can cause symptoms similar to those of emphysema, such as chronic bronchitis, asthma, bronchiectasis, and ...

COPD is an inflammatory lung disease, comprising several conditions, including chronic bronchitis and emphysema, and can be caused by genetics and irritants like smoke or pollution. The disease ...