The Effects of Human Growth Hormones Human Growth Hormones has controversy surrounding its use medically. In 1956, the human growth hormone was first isolated to be further studied. Then, in 1972, its structure was first analyzed. The only source of this hormone was in pituitary glands until the mid-1980's. Through genetic engineering, this hormone HGH, is available in large amounts that it is used in other treatments. Human growth hormones are produced naturally in the pituitary …showed first 75 words of 1455 total…

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