Thunderstorm asthma
Biometeorological phenomenon / From Wikipedia, the free encyclopedia
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Thunderstorm asthma (also referred to in the media as thunder fever or a pollen bomb[1]) is the triggering of an asthma attack by environmental conditions directly caused by a local thunderstorm. Due to the acute nature of the onset and wide exposure of local populations to the same triggering conditions, severe epidemic thunderstorm asthma events can put significant and unmanageable stress on public health facilities.
Widely recognised but not fully understood, it has been proposed that during a thunderstorm, pollen grains can absorb moisture and then burst into much smaller fragments with these fragments being easily dispersed by wind.[2][3] While larger pollen grains are usually filtered by hairs in the nose, the smaller pollen fragments are able to pass through and enter the lungs, triggering the asthma attack.[4][5][6][7]