Heat-generating dogs treat fibromyalgia pain in humans

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-- Nancy Gordon has no trouble remembering her first encounter with a Mexican hairless dog, a Xoloitzcuintli. Renowned for their intense body heat, Xolos (pronounced sho-los) have been used as therapy dogs for centuries -- and Gordon soon discovered why. "I put my wrists under his belly where I was having wrist pain," says the Southern California resident. "After about 15 minutes, my pain was relieved." --