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Different Types of Food Allergy
This is a tutorial for people searching for solutions for prolonged illnesses. It is also an introduction for scholars who are studying the limitations of the medical worldview. Food allergy, as a topic in medicine, has been actively suppressed for many years and is taught poorly or not at all in medical schools.
The first issue is the meaning and use of the term "allergy." There are different types of allergy. Hay fever is the most common expression of allergy and is a prototype of immediate hypersensitivity, easily recognized because it involves quick and dramatic symptoms. This is referred to as immediate hypersensitivity.
Delayed patterns of allergy are not so obvious and generally go unrecognized. Allergy skin tests do not show this problem nor do blood antibody tests. The presence of delayed patterns of food allergy is concealed in a variety of diagnoses such as migraine headaches, asthma, eczema, irritable bowel syndrome, depression, chronic fatigue, fibromyalgia, panic disorder, and arthritis. Patients with these problems tend to have two or more manifestations concurrently in a matrix of non-specific symptoms.
The difficulty in diagnosing food allergy and other food-related problems in medicine and disputes within the allergy community have left many patients suffering, frustrated and confused. At the same time as physicians default in the diagnosis and treatment of food-related illnesses, many non-medical practitioners have launched careers in the food and chemical "sensitivity" business, using diverse, sometimes curious and bizarre methods, dubious tests and questionable treatments.Immediate Hypersensitivity = Common Allergy
Immediate or Type 1 patterns of allergy can largely be attributed to IgE and a sub-population of immune cells, the mast cells and basophils. These cells degranulate if sufficient antigen reacts with IgE antibodies which act as receptors on the cell's surface. An inherited tendency to make excessive amounts of IgE antibody is one characteristic of atopic individuals. The most explosive, immediate, and obvious allergic reactions begin with allergens attaching to basophil and mast cells triggering their degranulation. Allergens meet reactive cells just under the surface of the skin, respiratory, gastrointestinal and genitourinary tracts. Mast cells release three sets of mediators with dramatic, immediate, local and systemic effects.
The immediate hypersensitivity model of food allergy is attractive to physicians and researchers, because it is obvious and relatively simple, but it selects only a subgroups with food allergy. While type 1 reactions are important patterns of immune activity, some physicians have claimed it is the only valid form of allergic reaction. Their opinion is not acceptable.
The Food Allergy Center is devoted to explaining a complicated and controversial subject. We offer rich resource online and encourage our readers to further pursue their interest by reading our books. Hypoallergenic Nutrient Formulas Alpha Nutrient Formulas are gluten free and do not contain cows milk, soya, or egg ingredients. They do not contain food dyes or other additives. They are suitable for vegetarians.
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