respiratory disease in which one's airways contract and tighten, and there is a build up of mucus. Approximately 25 million Americans have asthma. Most of these people are young children, though asthma can occur in any age group. About 3,000 per year die from asthma. Fortunately, the symptoms of asthma are treatable by doctors and physicians.
Asthma is diagnosed by family history, physical exams, lung function tests, and other tests. Researchers are not sure of the underlying cause of asthma, but many doctors believe that it is caused by a combination of family genetics and environment. The most common treatments for asthma is anti-inflammation drugs and beonchiodilator inhalers.
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