Food Allergy Test
Food Allergy Tests
Food Allergy Testing can help you determine the cause of your mental and physical symptoms.
Research and clinical studies have shown that food allergies may be a major contributing factor for many chronic health conditions.
WHAT IS THE DIFFERENCE BETWEEN IgE, IgG, IgM AND IgA?
IgE is an indication of a hypersensitivity or true allergy.
IgE Food Allergies
The best known and well-studied form of food allergies is called a Type 1 immune reaction (classical food allergy, immediate-onset, IgE-mediated, atopic food allergies, etc.). Type 1 food allergies occur in approximately only 2-5% of the population. Type 1 food allergies occur mostly in children and are less frequent in adults. Usually occurring in the genetically predisposed individual, the immune system begins creating a specific type of antibody called Immunoglobulin E (IgE) to certain foods. One side of the IgE antibody will recognize and bind to the allergic food. The other side of the antibody is attached to a specialized immune cell packed with histamine, called a Mast cell. Primed for action, the IgE antibody now only have to patiently wait for re-exposure to food allergens.
When you eat the allergic food the next time, IgE antibodies hungrily latch onto the food. Instantaneously histamine and other allergy-related chemicals (chemical mediators) are released from the mast cell, quickly bringing on the unwelcome appearance of stomach cramping, diarrhea, skin rashes, hives, swelling, wheezing or the most dreaded of all Type 1 reactions, anaphylaxis.
IgG Delayed Onset Food Allergy
Type 3 immune reactions are much more commonly involved in food allergy than Type 1 reactions. In fact, 45-60% of the population has been reported as having delayed food allergies. A delayed food allergy or food sensitivity also involves the immune system. They occur when your immune system creates an overabundance of antibody Immunoglobulin G (IgG) to a specific food. The IgG antibodies, instead of attaching to Mast cells, like IgE antibodies in Type 1 allergies, bind directly to the food as it enters the bloodstream, forming food allergens bound to antibodies circulating in the bloodstream. The allergic symptoms in Type 3 immune reactions are delayed in onset - appearing anywhere from a couple of hours to several days after consuming allergic foods.
Symptoms of IgG Food Allergy may include:
When the immune system is engaged in IgG production, numerous cytokines are also put into motion. The influence of these cytokines extends beyond the immune system to specific areas of the brain that regulate and affect behavior and mood. It is no wonder that under the influence of
these powerful compounds people can feel sick and tired when they are indeed being assaulted' immunologically.
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