Chronic Bronchitis
What Is Chronic Bronchitis? Chronic bronchitis is one of the major conditions contributing to chronic obstructive pulmonary disease (COPD). Bronchitis is a condition in which the air passages of the lungs become inflamed. The inflammation occurs in the trachea (or windpipe), and in the large and small bronchi (or tree-like air passages in the lungs). Bronchitis is … Read more