People with ____ (asthmatics) have ____ that are too ____ to certain things (e.g. pet hair, ____, dust, smoke...). If an ____ breathes these things in, the ____ around their ____ contract. This narrows the ____. The lining of the airways becomes ____ and fluid builds up in the airways, making it hard to ____. This is an asthma ____. Symptoms of an attack are: difficulty breathing, ____, a tight chest. When ____ appear, sufferers can use an ____ containing drugs to open up the airways.

Asthma

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