Asthma is a chronic condition in which the airways that carry air to the lungs are inflamed and narrowed. Inflamed airways are very sensitive, and they tend to react to things in the environment called triggers, such as substances that are inhaled.
Airborne allergens, such as pollen, dust mites, mold spores, pet dander or particles of cockroach waste. Respiratory infections, such as the common cold. Physical activity. Cold air.
The most common causes of an asthma flare up are infection, exercise, allergens, and air pollution (an irritant). People who have asthma may experience wheezing, coughing, shortness of breath, and chest tightness.
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Answer:
TRUE
Explanation:
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Asthma is a chronic condition in which the airways that carry air to the lungs are inflamed and narrowed. Inflamed airways are very sensitive, and they tend to react to things in the environment called triggers, such as substances that are inhaled.
Airborne allergens, such as pollen, dust mites, mold spores, pet dander or particles of cockroach waste. Respiratory infections, such as the common cold. Physical activity. Cold air.
The most common causes of an asthma flare up are infection, exercise, allergens, and air pollution (an irritant). People who have asthma may experience wheezing, coughing, shortness of breath, and chest tightness.