Asthma is a common lung disease affecting millions of people worldwide. It is characterized by narrowing of the airways in the lungs.
Symptoms of asthma include wheezing, coughing, chest tightness, and shortness of breath. These symptoms tend to come and go and are related to the degree of airway narrowing in the lungs.
Different things can trigger symptoms in people with asthma, including viral illnesses (eg, the common cold), allergens, exercise, medications, or environmental conditions.
Living with asthma can be challenging, but it is possible to manage it successfully with medications and other measures. The goals of asthma treatment are to control symptoms as well as possible and prevent asthma attacks (also called "exacerbations").
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