Apr 15, 2011
An allergic reaction is simply a process by which our immune system overreacts to particular foreign materials once they come into physical contact.
#airborne-dirt#allergic-response#cause-allergies#drug-allergies#dust-mite#environmental-factors#environmental-pollution#ethnic-background#food-allergies#foreign-materials#genetic-factors#heredity#host-factors#insect-sting#kinds-of-variables#mold-spores#precise-reason#respiratory-allergies#risk-factor#symptoms-of-allergies
