SPA BENEFITS

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As anyone who has ever slipped into a spa can attest, sensations begin immediately! The first is buoyancy...then warmth. High-sustained temperatures, the primary difference between a hot tub and a warm bath, cause changes in the body's circulatory system. Once in the tub, one's temperature regulating mechanisms kick in, making the heart pump blood to the surface in an attempt to rid the body of heat. The advantages of spas over hot baths are enhanced when jet action, targeted to specific areas of the body, enters the picture.

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 Chemistry

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Spas

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Fragrances

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As increased blood flows through the veins, your blood pressure rises. To cool itself down, the body sweats...bringing moisture to the surface. Normally, this process lowers body temperature; however, due to the hot water, sweating does not cool the body. In fact the hot water causes the blood to become warmer.

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As blood continues to get warmer from the skin's surface and cycles deep into the body, the soaker's core temperature rises rapidly. Circulation is enhanced as body temperature increases, overtaking one with a euphoric feeling of relaxation. A second change in blood pressure has occured.

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As warm blood spreads through the body, vessels expand. This dilation lessens resistance and blood pressure drops. More vessels dilate...then muscles relax, as this surge of warm blood goes deeper into the body. The warmth also depresses the nervous system helping muscles to relax and aiding in pain relief. People with health concerns should consult their physician before using a hot tub.

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fain@mindspring.com

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