Chronic Obstructive Pulmonary Disease (COPD)
COPD (chronic obstructive pulmonary disease) makes it hard for you to breathe. The two main types are chronic bronchitis and emphysema. The main cause of COPD is long-term exposure to substances that irritate and damage the lungs. This is usually cigarette smoke. Air pollution, chemical fumes, or dust can also cause it.
| Gene Name | Chromosome number |
|---|---|
| PDE4A | 19 |