Chronic obstructive pulmonary disease (COPD), also recognized as chronic obstructive lung disease (COLD), and chronic obstructive airway disease (COAD), among others, is a kind of obstructive lung disease characterized by chronically poor airflow. It usually worsens over time. The major symptoms comprise shortness of breath, cough, and sputum production. The majority people with chronic bronchitis have COPD.
About Chronic Obstructive Pulmonary Disease
