
Asthma is a chronic disease of the respiratory system in which the airway sometimes constricts and becomes inflamed. Also, the respiratory lining produces excessive amounts of thick mucus, often in response to one or more triggers. This mechanism is responsible for symptoms such as wheezing, shortness of breath, chest tightness, and coughing.What triggers these asthma attacks? Well, the answer to this question is not easy to give. Theoretically, ...