Asthma is often considered a benign disease, whereas more than 5000 Americans die every year due to asthma. Every year there are also recorded more than 400,000 asthma sufferers treated in the hospital. Even in American there are estimated 17 million people suffer from asthma. Where 4.8 million are children. Asthma is one of a major causes of chronic disease in children.
Asthma is a chronic condition that occurs when the main respiratory lung (bronchi) becomes inflamed. Bronchial wall muscles shrinks and mucous membranes lining the bronchial walls produce more mucus, which causes narrowed airways. The result is fault of breath ranging from mild to severe. This attack may take several minutes to days and days.
