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A 19-year-old female asked:

How asthma happens?

1 doctor answer7 doctors weighed in
Dr. Nayla Mumneh
Allergy and Immunology 30 years experience
Inflammation: There are many causes of asthma, allergies and pollution and reactions to infections are just a few. Inflammation builds up in the airways and so does tightening of the muscles in their walls and then asthma is triggered by certain factors and mucus can plug the airways in severe cases.

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Last updated Jan 15, 2015

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