Asthma - Treatment Approach

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Asthma, Asthma is a chronic disease that involves inflammation of the lungs. Airways swell and restrict airflow in and out of the lungs, making it hard to breathe. The word asthma comes from the Greek word for "panting." People with asthma pant and wheeze because of the restricted flow of air.Normally, when you breathe in an irritant or are subjected to stressful activity such as exercise, your airways relax and open, allowing the lungs to get rid of irritants or take in more air. With asthma, muscles in the airways tighten, and the lining of the air passages swells.About 20 million Americans have asthma, including 9 million children. In fact, asthma is the most common chronic childhood illness. About half of all cases develop before the age of 10, and many children with asthma also have allergies.Asthma can either be allergic or non-allergic. In allergic asthma, an allergic reaction to an inhaled irritant -- pet dander, pollen, dust mites -- triggers an attack. The immune system gets involved, but instead of

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