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Asthma Overview


Asthma is a chronic disease that affects the airways and lungs. According to the World Health Organization (WHO), approximately 300 million people worldwide and 14–17 million people in the United States are affected by asthma. Asthma is the most common chronic disease in children.

Severe asthma is a serious health concern that can lead to respiratory failure. Each year in the United States, as many as 470,000 people seek hospital treatment for asthma related sympto...Read the full article