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Parameter : Definition
|Chronic obstructive pulmonary disease (COPD) refers to permanent lung damage, usually caused by smoking, in which there is an obstruction to air flow during exhalation (i.e. breathing out)||Chronic Obstructive Airway Disease is a disorder characterized by progressive obstruction to airflow with a history of inhalation of irritants (tobacco smoke, etc) or genetic defect. It comprises of Chronic Bronchitis and Emphysema.||Chronic bronchitis is a respiratory tract (pranvaha srotas) disorder included in kas rog as Kaphaj Kas which is characterized by chiefly productive cough along with other sign and symptoms.|
|The two major diseases in this category are:|
|· Chronic bronchitis|