Asthma

bronchial bronchial asthma ASTHMA Asthma is a respiratory affection in which spasm and constriction of the bronchial passages and jut of their mucose lining cause obstruction of breathing. (Anastasiow 1997) Etiology: This infirmity is very much due to allergies, such as dust, smoke, frozen air, exercise, animal fur or feathers, molds, and pollen. Allergic asthma is also called atopic or foreign asthma. Many slew with allergic asthma also injure from hay fever, which is an allergic reaction, usually to airborne pollen, of the upper respiratory tract and the eyes, characterized by nasal discharge, sneezing, and whiny watery eyes. (Encarta 1997) Asthma in adults is less likely to be caused by allergies. Non-allergic asthma is called intrinsic asthma. The frequency and the extreme in which asthma symptoms return vary from one person to another. about attacks occur at night, beginning with spit outing or wheezing and shortness of breath, moreover in some people a dry cough may be the wholly sym...If you want to get a full essay, order it on our website: BestEssayCheap.com

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