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• Asthma - Wikipedia, the free encyclopedia

  Asthma is a chronic condition involving the respiratory system in which the airways occasionally constrict, become inflamed, and are lined with excessive amounts of mucus, often in ...

• Asthma - Asthma Treatment - Asthma Attacks | Asthma.com

  Here you'll find: An introduction to The Basics of Asthma; More About Asthma, and how to talk to your healthcare professional about it; Treatment Options for Asthma to discuss with ...

• What Is Asthma?

  Asthma is a chronic disease that affects your airways, which are the tubes that carry air in and out of your lungs. ... What Is Asthma? Asthma (Az-muh) is a chronic disease that ...

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