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Asthma Reading Passage Analysis

145 Words1 Pages
In this set of materials, the reading passage describes a definition and characteristics of asthma, and the listening passage explains a possible cause of this disease. According to the reading passage, the influence of the environment in asthmatics causes the bronchial narrowing. Animal fur, pollen, cigarette smoke, house dust mites, perfume, and emotional stress are examples of sources that can trigger the inflammation. In the listening passage, the professor discusses that the bronchial narrowing does not a consequence but it is a cause. This is an opposite idea about the origin of the asthma. The new theory believes that this disease is a combination of genetics with environmental problems. The important discovery is that bronchial narrowing
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