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Asthma Research Paper

267 Words2 Pages
Asthma is developed by a biological reaction to a foreign substance involving cellular foreign substance involving cellular recognition of (and memory for) that specific substance1. Factors such as eczema, hay fever, smoking, working in an environment with a lot of air pollution and a family history of the disease are common findings in patients who suffer from asthma, and are thought be the cause for the development of the disease2. This may be due to the irritation that these factors place on the respiratory system. This causes the bronchioles of the lungs to constrict (bronchoconstriction), and the smooth muscle that controls the bronchioles to spasm (bronchospasm), therefore the airway is narrowed, and delivery of air to the lungs is restricted1.
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