Investigation of food sensitivity is difficult and often confusing. However, there are multiple articles in the literature which illustrate that food is absorbed from the gastrointestinal tract in an antigenic fashion and that the entire immune system is stimulated by these antigenic food particles. All four Gell and Coombs varieties of immunologic reactions have been demonstrated as causes of symptoms in patients. Test techniques are available for each of these immunologic reactions, as is treatment for their noxious effects.
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