Table of Contents I. What are Chronic Lung disorders? II. Risk factors for Breathing Disorders III. Lung Diseases that Affect the Airway IV. Lung Diseases Affecting the Air Sacs V. Lung Diseases Affecting the Pleura VI. Lung Diseases Affecting the Chest Wall VII. Treatments for Chronic Lung Disorders What are Chronic Lung Disorders? Lung problems affect tens of millions of people all over the world. The lungs are complex organs that have to expand and relax thousands of times a day to