Studies done in the 1940s showed that the use of noxious stimuli or counterirritation could produce significant analgesic effects. |
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Rush argued for curing disease with its equivalent in the manner of homeopathy, though his concept of counterirritation was more violent. |
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This principle of counterirritation has been recognized for hundreds of years, and it still works. |
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Sterile-water injection causes a burning sensation that is much more painful than saline injection and is thought to relieve labor pain by counterirritation. |
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From this point of view we can easily explain the phenomenon of counterirritation, which is partly responsible for the analgesic effect of massage therapy. |
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