Chronic Obstructive Pulmonary Disease (COPD)
Learn more about COPD disease at the National Institute of Health. This disease is the most common lung disease. Those suffering from COPD experience difficulty in breathing.
The two main types of COPD are:
The main cause of COPD is smoking., but other causes may include exposure to harmful gasses and fumes, pollution and second hand smoke.
- Respiratory infections
- Shortness of breath (dyspnea)