Important Aspects of Asthma
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Medical | 4.3MB
Description
In a person with asthma, the inside walls of the airways, known as bronchial tubes, become swollen or inflamed. This swelling or inflammation makes the airways extremely sensitive to irritations and increases their susceptibility to an allergic reaction.
In the United States, around 8.3 percent of people have a form of asthma. There are many types of asthma, as well as a range of factors that can cause the disease.
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