Chronic Obstructive Pulmonary Disease or COPD refers to a group of lung diseases including emphysema and chronic bronchitis that block airflow and make it difficult to breathe. The major symptoms include increased mucus production, wheezing, shortness of breath, and daily cough with mucus. The primary cause of COPD is repeated exposure to irritating gases or particulate matter, most often from cigarette smoke. Treatment options for COPD include bronchodilators, corticosteroids, oxygen ... Read more