What is the defination of Asthma?
Others answers (1)
- eAnswers...May 11, 2014
Asthma is a disease caused when the bronchial tubes i.e the tubes that transport air in and out of the lungs becomes inflamed. It causes the walls of bronchies tighten and airways develop the blockage. It is incurable, but can be controlled. In U.S. around 20 million Americans suffered from it and around 9 million of them are childrens.
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