That is embarrassing for breast-cancer activists, who have campaigned hard for autologous stem-cell support to be made more widely available.
In only one of the trials did the use of stem-cell support and high-dose chemotherapy appear to prolong life more effectively than conventional low-dose treatment.
If you care about it, why don't you support stem cell research?
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Polls show Americans who consider themselves conservatives are split right down the middle on whether they support stem cell research, and some pro-choice Americans actually oppose embryonic stem cell research.
Palin, an evangelical Christian, opposes embryonic stem cell research because it involves the use of human embryos, but her running mate, GOP presidential nominee McCain, does support stem cell research involving embryos.
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Fox sways and twitches with the effects of Parkinson's disease while he speaks in support of stem cell research.
Biden's support of stem cell research is at odds with the position taken by the Republicans' vice presidential nominee, Alaska Gov. Sarah Palin, whose 5-month-old son, Trig, has Down syndrome.
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Lott, who had been circumspect on the issue previously, said he has concluded that he can support only those stem-cell studies that use adult tissue.
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Funding is mostly by private donations but the foundation also receives support from New York state Stem Cell Science.
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President Bush has yet to announce whether he will support federal funding for embryonic stem cell research, an issue senior aides say he continues to wrestle with as he weighs the scientific potential of the research against the moral implications of approving federal support for the destruction of human embryos.
Bill Frist, R-Tennessee, announced his support for tightly limited embryonic stem-cell research, a spokesman for Kerry said the senator felt it was important to make it clear to the White House there were more than just a handful of senators who feel strongly about the issue.
The purpose of this order is to remove these limitations on scientific inquiry, to expand NIH support for the exploration of human stem cell research, and in so doing to enhance the contribution of America's scientists to important new discoveries and new therapies for the benefit of humankind.
The Secretary of Health and Human Services (Secretary), through the Director of NIH, may support and conduct responsible, scientifically worthy human stem cell research, including human embryonic stem cell research, to the extent permitted by law.
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