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The human body possesses a particular reflex that has been proven to cause a drop in muscular strength in the presence of food reactivity (intolerance) and allergy. (Metzger WJ et al, Chronic fatigue syndrome: atopy, rhinitis, fibromyalgia. Evidence for delayed muscle relaxation, J Allergy Clin Immunol, 1989; 83; 1: 212).
This reaction occurs when the responsible substance is placed in contact with the respiratory or sublingual mucosa. During the DRIA test, a computer analyzes the variations in the reflex and virtually allows us to "read" what happened within that specific body, that is the best possible personal laboratory that is available to us.
The analysis of the variation in strength makes it possible to assume that the individual being tested has a food intolerance. As a matter of fact, in order to respond to the test, the immune system responds to the food substance with its complete arsenal of antibodies, immune cells cytokines, memory cells, nerve interferences and all that it has available. In the end it establishes whether or not that substance is tolerated in the precise moment and conditions in which the test is performed.
The alteration in muscular force following the introduction of a food substance or allergen that signifies hypersensitivity or intolerance is always strictly personal.
How the test is performed
The patient is seated and a belt is attached to his ankle or wrist which is in turn connected to a weight and to a computer. The patient is asked to make an effort that is equal to 50% of the muscle's strength. Since the patient must be able to cooperate during the test, the DRIA test can be performed in a satisfactory way starting from 4-5 years of age; before this time, an ALCAT test is in order.
While the patient maintains the muscle contracted in this way, an appropriate solution of a food substance is given to him orally. At regular intervals, all of the food substances that are necessary for diagnostic purposes are tested in this way. These substances belong to the Great Food Groups or they pertain to a specific hyposensitivity study for dust mite or Candida allergy.
During the force test (which is performed without the patient's knowledge of the reading) if the computer registers that the patient is unable to maintain the same level of contraction, (meaning that there is a drop in force 3-4 seconds after the introduction of the substance) it is assumed that there is a non-IgE mediated hypersensitivity to the food being tested. Clearly, before we can consider the test to be complete, we make sure that the drop (that must be greater than 10% of the average possible force) repeats itself each time the food is tested. It is also compared with an inert placebo substance without the patient's knowledge
Dr. Attilio Speciani
Clinical Allergist and Immunologist
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