
What Are The Symptoms of COPD?
Commonly known as COPD, chronic obstructive pulmonary disease refers to a group of progressive diseases of the lung. It usually includes a combination of emphysema, chronic obstructive asthma, and chronic bronchitis. All of these diseases obstruct the airflow from the lungs. According to the COPD Foundation, almost 30 million Americans have COPD and half of…