Electrodermal testingelectroacupuncture

This is a test used by alternative or complementary health workers. The device used for this in vivo test is made up of a galvanometer that measures the activity of the skin at designated acupuncture points. The patient holds the negative electrode in one hand, while the positive electrode is pressed upon the points. Vials of food extracts in contact with an aluminium plate are also within the circuit. A drop in electrical current is diagnostic of an allergy to that particular food. There is no clearly described theory behind the procedure, and furthermore no clinical or scientific evidence that electro-dermal testing can diagnose food allergy.

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