The Definition and Symptoms of Asthma
Asthma is a common medical condition which is chronic and involves the airway. It is a complex disease which is symptomatized by repeated instances of inflammation resulting in varying degrees of airflow blockage and a hyperactive bronchial response. The way the disease manifests clinically, the level of severity, and the treatment efficacy is determined by the interaction of these features. The symptoms of asthma are usually preceded by specific triggering events or stressors such as physical exertion, pollutants, or weather changes. Asthmatic episodes may also be seasonal, especially for children who have seasonal allergies (Ege, Mayer, Normand, Genuneit, Cookson, Braun-Fahrländer, & ...