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Top :
Health :
Conditions & Diseases :
Allergies |
| An allergy is a sensitivity to a certain substance which, in similar quantity, is tolerated by non-allergic people. The allergen is the specific protein substance that a person is allergic to. The presence of this allergen in the body causes a series of chemical reactions in the immune system which result in individual signs & symptoms. The tendency to be allergic is inherited; the actual allergy is not inherited. |
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