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Human embryos in medical research

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{{merge|Embryonic stem cells}}'''Embryonic stem cell''' research is the utilization of [[stem cells|stem cells]] from [[embryo]]s which can then be grown in a laboratory culture and produce specialized cells to treat [[disease]]s or used for research purposes. The most common source of such cells is discarded embryos at [[fertility clinic]]s - the process of [[IVF]] typically produces two or three 'leftover' embryos for each treatment, which are usually discarded. The use of embryonic stem cells in medicine has met with some controversy, particularly from the [[pro-life]] movement that is concerned about the destruction of embryos that they believe constitute human life.<ref>http</ref>
'''Adult stem cell''' research is similar except it does not use destroyed embryos, and instead is based on stem cells that can be taken from adults. These cells are less versatile than those harvested from discarded embryos, but they do not raise the associated [[ethics|ethical]] dilemmas <ref>, adult embryonic stem cells are of little value to science/faq.htm</ref> and so far have been easier to work with in achieving resultsas a whole.
The primary reason for wanting to use embryonic stem cells is that they are capable of producing any type of tissue in the body. Thus, theoretically, embryonic stem cell treatments offer far greater potential than adult cells - while both are capable of repairing some damage, embryonic cells could go so far as to replace entire organs. Conversely though, the greater flexibility of embryonic cells also makes them more difficult to control. A major obstacle to their use in humans is a tendency to form tumors.{{fact}} Much research is being carried out to better understand the cellular processes which cause this.
*President Bush's refusal of [[federal funding]] for new embryonic stem cell lines didn't halt major stem-cell advances, any more than the prohibition against life-threatening research on human subjects, such as the infamous Tuskegee Study of Untreated Syphilis in the Negro Male, stopped the advance of medical treatments. [ Trading Places] - Will the secular left soon attack the religious right for being pro-science? - Joseph Bottum
*On March 9, 2007 Barack Obama repealed President Bush's ban on federal funding for embryonic stem cell research. <ref>http</ref>This was a campaign promise and leads to the expectation that he will be one of the most pro-abortion, anti-life presidents choice Presidents in U.S. history since many people liken this research to abortion. Simply because many make this assumption does not make it correct, it simply means many Americans are ignorant<ref>http://www. First, nobody is "pro-abortionprochoiceamerica." I could just as easily call conservatives like you "misogynist" or "antiorg/choice-action-center/us-gov/congressional-record-on-choice/illinois." Back to the point, your Bible says life begins when the blood flows. In humans, this is at 14 days. Embryonic stem cell research uses embryos that are 5 days old. Thus, your own Bible supports (or, at least, does not condemn) embryonic stem cell research. Furthermore, all embryos used are donated as extras from IVF. Parents are not paid for the embyros. There is no farming. Simply accept that you've lost this debate because you were never honest ot begin with. Kara Neumann, Christopher Reeve, and many others died because of you and people like you. Thanks to Obama, millions like me have hope for a cure. It almost make me wish their was a hell so that fascists like you could go their to burn. Alas, I have no such luck. At least you've been outcast from intellectual debate. Lunatics like Sarah Palin and Sean Hannity run your party. This is truly the conservatives' "chickens coming home to roost." html</ref>
==Expectation and Potential ==
[[categoryCategory:Biology]][[categoryCategory:political Political Terms]]
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