LYCOS RETRIEVER
Human Growth Hormone: Age
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Welbourne showed that a surprisingly small oral dose of about 2 grams of glutamine raised growth hormone levels more than four times over that of a placebo. Even more exciting, age did not diminish the response at least in this small study of volunteers, who ranged from thirty-two to sixty-four years.
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The effect of too much growth hormone depends on the age of the individual. When the condition occurs in children (before growth plates in the skeleton have closed), it causes gigantism, which is characterized by tall stature.
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HGH is produced at a rate that peaks during adolescence, at time when normal growth is accelerated. The production of HGH decreases with age, 14% each year ona verage. Humans normally produce about 500 micrograms of HGH daily at age 20.By age 80, the daily production falls to 60 (or less) micrograms. Many doctors consider IGF-1 levels below 200 to be HGH deficient and a diagnosis on Adult Onset Growth Hormone Deficiency Syndrome is made.
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Since all people have declining hormone levels as they age, it’s easy to see why so many physicians assume this is natural. However, if a younger person were to be diagnosed with a hormonal deficiency, it would quickly be corrected. Researchers around the world have shown that hormonal deficiency at any age - young or old - requires replacement. Scientific evidence suggests that doing so in middle-aged and older people may ameliorate the aging process.
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While many hormones can be replaced to ward off the effects of aging, HGH reaches far beyond the scope of any single hormone in not only preventing aging, but in significantly reversing a broad range symptoms of aging. While the growth hormone decreases, the aging process rapidly increases. It has been determined by HGH proponents that one can reach the status of elderly by the age of 35-40.
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Clinically, deficiency in growth hormone or defects in its binding to receptor are seen as growth retardation or dwarfism. The manifestation of growth hormone deficiency depends upon the age of onset of the disorder and can result from either heritable or acquired disease.
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