Asthma is a chronic inflammatory disease of the airways in the lungs. This inflammation causes the airways to narrow, making it difficult to breathe. ...
Catarrh refers to the excessive buildup of mucus in an airway or cavity of the body. It is not a disease in itself, but rather a symptom of an underly...
Bronchitis is an inflammation of the lining of your bronchial tubes, which carry air to and from your lungs. Bronchitis can be either acute or chronic...