food allergy

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An adverse reaction to ingested food that contains allergens or toxins. A true food allergy is induced by ingestion of a protein or peptide to which the person is hypersensitive or allergic, and can vary from an acute, life-threatening anaphylactic reaction to a mild urticaria. Some so-called food allergies have a different basis: they are really toxic reactions to specific chemicals, such as monosodium glutamate.

Subjects: Public Health and Epidemiology.

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