Understanding IgG4 Food Sensitivities

Summary

This article explains IgG4 food sensitivities and their subclasses. It also compares the various types of IgG4 laboratory testing. Metametrix

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Understanding IgG4 Food Sensitivities - Metametrix White Paper (PDF) 2009.

Details

Food sensitivity or intolerance is a contentious topic for healthcare professionals and patients alike. It is regularly the subject of intense media speculation and scrutiny. This scrutiny may be due in part to the clouded definition and misinformation of what actually constitutes a food sensitivity or intolerance. The typical immediate allergy response to shrimp or peanuts, for instance, is a well characterized phenomenon; classified as a Type I allergy. In certain individuals Type I allergies can be potentially fatal. For the purpose of this article, we will classify adverse reactions to food according the following definitions.