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| *Women health>>>Allergies |
What is allergy? |
What is allergy? It's your bodies way of immediately fighting off an invader that it feels threatened by. Your body then releases histamines to fight it off. Unfortunately your body is over reacting in most cases and this is the result. An allergy can refer to several kinds of immune reactions including Type I hypersensitivity in which a person's body is hypersensitised and develops IgE type antibodies to typical proteins. When a person is hypersensitised, these substances are known as allergens. The word allergy derives from the Greek words allos meaning "other" and ergon meaning "work". Type I hypersensitivity is characterised by excessive activation of mast cells and basophils by immunoglobulin E resulting in a systemic inflammatory response that can result in symptoms as benign as a runny nose, to life-threatening anaphylactic shock and death. Please see the webpages for more details on Allergy. http://www.nlm.nih.gov/medlineplus/ency/... http://en.wikipedia.org/wiki/allergy... |
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