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What causes food allergy?

Food allergies are caused by your immune system reacting to specific proteins in food. A type of cell, called mast cells, release an antibody, called IgE. This is known as an IgE-mediated food reaction. Food allergies can also be non-IgE mediated, but these are not well understood.

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About this article

Author: Dr Joanne Van der Velden PhD, BSc (Hons)
First answered: 18 Sep 2014
Last reviewed: 19 May 2018
Rating: 4.4 out of 5
Votes: 1160 (Click smiley face below to rate)
Category: Asthma

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