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stem cell guide hit the limelight in November 1998, when researchers first reported that they had isolated stem cell therapy FAQ. These cells, isolated from embryos that have been numerous days old, can theoretically be differentiated into any kind of cell within the human body, from blood cells to brain cells to muscle cells. This was large news on the scientific front simply because scientists hoped to use these cells to repair damaged cells and tissue in adult humans. Unfortunately this research breakthrough also created a host of stem cell look for problems which are still getting debated today. So what's the large fuss about these search issues? Most on the controversy centers on the fact that the stem cell research occur from embryos and scientists must destroy the embryos to harvest the stem cells. Quite a few pro-life and religious groups argue that an embryo represents a human life and that embryonic stem cell jobs is equivalent to murdering human lives. There are currently quite a few sources of embryos, just like aborted fetuses and fertility clinics (which have thousands of unwanted frozen embryos). All of these sources are currently undergoing serious scrutiny inside the government and a number of lobbying groups.