Common names:
- Lung Disease
- Lung Problems
- Pulmonary Disease
A person with lung disease has lungs that do not function properly. Lung disease may be caused by infection, inflammation or injury. Lung disease interrupts the normal flow of oxygen from the lung into the bloodstream.

Types of lung disease include:
- Infections of the lung:
- Diseases that affect the airways
- Diseases that affect the alveoli
- The air sacs that pick up oxygen and remove C02
- Autoimmune disease:
- Lung cancer
- Lung injury