What's the purpose of this study?
Asthma is a chronic disease of the airways that makes breathing difficult. With asthma, there is inflammation of the air passages that results in a temporary narrowing of the airways that carry oxygen to the lungs. This results in asthma symptoms, including coughing, wheezing, shortness of breath, and chest tightness. Some people refer to asthma as "bronchial asthma."
Even though there are seemingly miraculous treatments for asthma symptoms, asthma is still a serious -- even dangerous -- disease that affects more than 25 million Americans and causes nearly 2 million emergency room visits ever year. With proper asthma treatment, you can live well with this condition. Yet inadequate asthma treatment limits the ability to exercise and be active. Poorly controlled asthma can lead to multiple visits to the emergency room and even hospital admission, which can affect your performance at home and work.
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