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Jessica Wing, a healthy, fit young woman, underwent three egg retrieval cycles in her early-mid twenties. At the age of 29, she developed metastatic colon cancer. She died two years later. DNA testing of her tissue revealed no genetic predisposition to colon cancer.
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A recent paper in NEJM has documented three cases of patients who used unproven stem cell products and caused blindness. The three patients are all men, ranging in age from 72 to 88. They suffered from macular degeneration, a common, progressive disease of the retina that leads to loss of vision.
Between 2004 and 2005, Professor Hwang Woo-Suk, a highly regarded, highly funded South Korean researcher at Seoul National University, achieved international fame for his work on embryonic stem cells & the promises his findings offered.
In the European Union, stem cell research using the human embryo is permitted in Sweden, Spain, Finland, Belgium, Greece, Britain, Denmark, & the Netherlands; however, it is illegal in Germany, Austria, Ireland, Italy, & Portugal.
NIH Guidelines for Human Embryonic Stem Cell Research (2009) preserve two primary principles. First, that hESC research has the potential to improve our understanding of human health & discover new ways to treat illness. Second, that individuals donating embryos should do so freely, with voluntary & informed consent.
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