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Hy·per·sen·si·tiv·i·ty

/ˌhīpərˌsensəˈtivədē/

noun
- 1. extreme physical sensitivity to particular substances or conditions: "hypersensitivity to common chemicals"
- 2. a tendency to be easily hurt, worried, or offended: "hypersensitivity to criticism"
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Hypersensitivity
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Inflammatory response to an exogenous environmental antigen or an endogenous antigen initiated by the adaptive immune system
Hypersensitivity (also called hypersensitivity reaction or intolerance) is an abnormal physiological condition in which there is an undesirable and adverse immune response to antigen. It is an abnormality in the immune system that causes immune diseases including allergies and autoimmunity. It is caused by many types of particles and substances from the external environment or from within the body... Wikipedia
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