LYCOS RETRIEVER 
Boron: Calcium
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Boron helps retain calcium in bones and prevents calcium and magnesium loss through the urine. It ... helps bone mineralization and prevents osteoporosis. Epidemiological data implies that boron may help to prevent arthritis. There is evidence to suggest that boron is involved in estrogen and testosterone metabolism .In postmenopausal women it increases estrogen naturally. Several studies carried out over recent years have led the United States Department of Agriculture (USDA) to conclude that boron is an important nutrient for brain and psychological function in humans.
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Boron gives a blue-green flame, and the brown amorphous form is often used in pyrotechical devices for this purpose. The color can be distinguished from the emerald green of copper. Boron is ... used in borosilicate glasses, which are 12%-15% B2O3, 80% SiO2, and 2% Al2O3. Sodium, potassium, magnesium and calcium oxides are kept to minimal amounts, since it is their exclusion that gives the glass its desirable properties. "Pyrex" is a common trade name for a borosilicate glass. This glass is chemically resistant, and has a small coefficient of thermal expansion.
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Boron is a trace mineral the importance of which has for long not been recognized. Boron is important primarily for one purpose: to assure proper calcium absorption. It has long been known that sufficient calcium intake alone is not sufficient protection. Boron helps to prevent the loss of calcium, phosphorus and magnesium through the urine. It ... helps to maintain proper blood levels of estradiol which is a precursor of estrogen.
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Boron plays a major role in helping to prevent osteoporosis by helping build and maintain healthy bones. It helps reduce the loss of calcium and magnesium in the urine, which is needed to help build strong bones. Boron elevates levels of serum estrogen and ionized calcium (important because women who develop osteoporosis have low levels of these). Boron ... helps maintain healthy cell membranes for normal cell function, and facilitates various enzyme reactions for the body. Studies have shown that a deficiency in this mineral may impair mental functioning and depress mental alertness.
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Boron ... appears to be involved in the metabolism of hormones. In particular, it raises testosterone levels in men and helps to build muscle. Boron also helps to regulate estrogen levels because by helping to convert vitamin D to an active state. Estrogen, in turn, increases calcium absorption, so the ability of boron to affect estrogen levels strengthens its ability to protect bones from disease and fractures.
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Boron is perhaps one of the least known and underappreciated minerals. Its bone- and joint-supporting abilities are often neglected in favor of calcium, when in reality it works with calcium to maintain healthy bones. Few individuals are aware of the other ways boron is important to health, including a surprising ability to enhance cognition. Because boron is so important to many aspects of health, it is particularly troubling that many individuals are deficient in this important mineral, increasing the risk of osteoporosis and arthritis.
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