Vega Test:
What is it?

Vega Test:
How is it Used?


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Vega Test Overview

Overview

An unconventional device called the Vega-test machine is promoted by some alternative medicine practitioners for diagnosing illnesses and determining appropriate treatments. Other names for this approach include electrodermal testing (EDT) and electroacupuncture according to Voll (EAV). The method, which has many variations, generally involves measuring the body's electrical resistance at acupuncture points. Possible allergens or toxins, or prospective treatments, are placed within a device called a honeycomb that is said to test the effects of that substance on the body. More recent devices use a computer that supposedly simulates the presence of test substances.

There is no obvious commonly accepted scientific basis for the use of this method. To the limited extent that it has been tested, it has not proven itself a valid diagnostic technique.

What Is the Scientific Evidence for the Vega Test?

Four Vega-test practitioners, each with at least 10 years experience, agreed to participate in a study conducted by a proponent of EDT testing. ^[1] Thirty people volunteered to participate as patients. Half the volunteers had known allergies to house dust mites or cat dander (as determined by skin testing), while the others were not allergic to these allergens. Each participant was tested with six items in three separate sessions by each of three different operators of the Vega machine, resulting in a total of more than 1,500 separate allergy tests over the course of the study. The results showed that the Vega-test practitioners were unable to distinguish between allergic and non-allergic participants. In addition, no individual operator of the machine was more accurate than any other.

In another study, the Vega test failed to distinguish between people with respiratory allergies to a defined set of substances and those without them. ^[2] One smaller double-blind study did find the Vega test capable of distinguishing between allergens and non-allergens. ^[4] However, one of the authors of this study felt that it suffered from significant flaws, and went on to conduct the first trial discussed above.

On the basis of this information, the only fair assessment at present is that the Vega test has not been shown to be a meaningful method of identifying allergies to dust mites or cat dander. Proponents of the Vega device and other EDT techniques object that identifying respiratory allergens is not the device's primary use. However, at present there is no reliable evidence that the method has validity for anyuse.

I have experienced great success in my treatments with the Vega system used by my naturopath. Most notably the detection and treatment of my two year old son for milk,cat and mold allergies.Immediate relief is pretty good proof for me.The pediatricians we saw before just said he was asthmatic and should be in a tent with steroid treatment.How long on the steroids? For life,he's an asthmatic child! My family and friends have since used the Vega for 16 years now with great success for detecting various sensitivities. I my self have also had great success, but am also of an annalytic mind. Before my Vega testing I had done standard skin scatch testing, had a known list of allergies through experienced reactions,and confirming results from other sources.When I was Vega tested I did not reveal the positives that I knew, and they did not tell me what they were testing for. The Vega test results were accurate in detecting all the allergies I was previously aware of and some more that I was not. Treatments with the desensitizing was moderately successful, sometimes great succcess ,sometimes not successful. The Vega testing I recieved has been a great source of clues to dealing with the unpredictable, and fluctuating occurances of allergic reations I have experienced over the last 16 years. J. Hopkins

6 years ago

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