File: Asthma before-after.png
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During an asthma episode, inflamed airways react to environmental triggers such as smoke, dust, or pollen. The airways narrow and produce excess mucus, making it difficult to breathe.
Image from a FDA newsletter: http://www.fda.gov/fdac/features/2003/203_asthma.html
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:43, 30 June 2006 | | 750 × 300 (44 KB) | Katya Swarts (talk | contribs) | [http://en.wikipedia.org/wiki/Image:Asthma_before-after.png source and rights] |
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