WOC allergy notes

WOC allergy notes - ALLERGIES Affects many, many people f...

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Unformatted text preview: ALLERGIES Affects many, many people f Allergy = any adverse reaction to substances that are normally harmless (ex: ragweed, peanuts) f Allergy = any adverse rxn to substances that are normally harmless, where immunoglobulins (IgE) antibodies are involved f Antibodies = proteins that fight off foreign invaders. Belong to class of molecules called IgE f IgE = specifically responsible for allergies f Body makes a mistake, targets something that isn’t really dangerous bc it perceives that it is f Antibodies attack that intruder, antibody-allergen rxn results in inflammation+symptoms of allergic rxn f About 10-20% of the population suffer from some sort of allergy f Allergies have a broad spectrum of outcome, including death (anaphylaxis) f Most common situation: Hay fever or allergic Rhinitis (runny nose) ...
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This note was uploaded on 09/18/2011 for the course SCIENCE biol 200 taught by Professor Bureau during the Spring '11 term at McGill.

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