Assertion: asthma's trigger | /r/HasProperty | bronchial hyperresponsivenes
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Source sentences:
text: This will cause permanent airway narrowing (they are always more narrow than normal and get narrower during an asthma attack), bronchospasms are more easily triggered (bronchial hyperresponsivenes), airway edema (fluid in the airway), and mucus hypersecretion (too much mucous is made) as well as the build-up of collagen around the airway which is called fibrosis.