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Asthma Asthma is a disease of the airways of the lungs which is characterized by increased sensitivity of the airways to a variety of triggers. It is generally an episodic disease, i.e., acute attacks followed by symptom free periods. Though most attacks are generally short lived, sometimes serious conditions occur in which severe Asthma is unrelieved for many hours or even days, like in status asthmaticus. Who is affected? It occurs in all age groups, but is found to be more common in children. It tends to affect both sexes equally. Types of Asthma: There are two types of Asthma--- Allergic and Idiosyncratic. Allergic Asthma: This type is often associated with personal or family history of other types of allergic diseases like hay fever, rhinitis, eczema etc. The offending agents causing Asthma: Environment and air pollution. Certain drugs like Aspirin. Occupational factors like working with animal skins, chemicals, stone dust etc. Infections of the chest or Upper res...