Chronic bronchitis and emphysema are included in the group of illnesses known as chronic obstructive pulmonary disease (

Chronic bronchitis and emphysema are included in the group of illnesses known as chronic obstructive pulmonary disease (

Chronic obstructive pulmonary disease (COPD) is a common lung disease. Having COPD makes it hard to breathe. Chronic obs

A prevalent lung condition is chronic obstructive pulmonary disease (COPD). Breathing is challenging if you have COPD. A