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Why is moist heat more effective than dry heat (or no heat at all) in relieving pain?
 
It has been proven that water is a more effective conductor of heat than air - in fact, moist heat has been shown to penetrate 27 times better than dry heat! In addition, body tissues are able to tolerate moist heat at a higher temperature than dry heat. As this intense heat penetrates painful body tissues, blood vessels dilate, increasing the circulation in the area. The increased blood flow relieves inflammation, brings additional oxygen, carries away toxins and waste for healing, and provides relief from pain. The Thermophore® unit makes what medical professionals call a "hot fomentation compress" without adding water, to ease the cycle of pain and muscle spasm and allow for more natural movement and comfortable rest. It is especially effective in providing relief from the pain of arthritis, back or neck pain, fibromyalgia, sciatic pain, muscle strains or respiratory congestion.
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