Exercise-Induced Asthma

Even exercise can induce an asthma attack in people who have no other triggers and do not experience asthma under any other circumstances.People with exercise-induced asthma are believed to be more sensitive to changes in the temperature and humidity of the air.When you are at rest, you breathe through your nose, which serves to warm, humidify, and cleanse the air you inhale to make it more like the air in the lungs.

When you are exercising, you breathe through your mouth, and the air that hits your lungs is colder and drier. The contrast between the warm air in the lungs and the cold inhaled air or the dry inhaled air and moist air in the lungs, can trigger an attack.

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