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Allergies

In some individuals the immune system responds to non-pathogenic molecules.

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Vocabulary

TermDefinition
allergen Any antigen that causes an allergy.
allergy Disease in which the immune system makes an inflammatory response to a harmless antigen.
anaphylaxis A life-threatening allergic reaction caused by a massive release of histamines.
antigen Molecule that the immune system identifies as foreign and responds to by forming antibodies.
antihistamine Drugs that reduce or eliminate the effects of the histamines that cause allergy symptoms.

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