Posted by
ReeBKK in
Health,
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Mar 8th, 2010 |
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Asthma is a condition that haunts over 20 million US citizens, and although scientists are still not exactly sure what causes asthma, experts believe that allergies to airborne substances such as tree, grass, and weed pollens, mold, animal dander, dust mites, and cockroach particles, are largely responsible...