Similar term(s): COPD, chronic obstructive lung disease.
Chronic obstructive pulmonary disease, or COPD, refers to a group of diseases that cause airflow blockage and breathing-related problems.
It includes emphysema, chronic bronchitis, and in some cases asthma.
COPD is a leading cause of death, illness, and disability in the United States.
Source:
CDC
Facts About COPD
Lung function - Respiratory tract