Asthma is the most common airway disease, affecting nearly 25 million Americans, according to the Centers for Disease Control and Prevention. Symptom flares, called "asthma attacks," are not ...
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What causes asthma and what triggers an attack
Asthma can be caused by genetics, like having a parent with asthma. Smoking or being around smoke can make asthma worse. Being overweight increases the risk of asthma due to pressure on the lungs.
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