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embryonic stem cells hit the limelight in November 1998, once researchers first reported that they had isolated stem cell FAQ. These cells, isolated from embryos that had been quite a few days old, can theoretically be differentiated into any kind of cell inside the human body, from blood cells to brain cells to muscle cells. This was big news over a scientific front because scientists hoped to use these cells to repair damaged cells and tissue in adult humans. Unfortunately this research breakthrough also produced a host of stem cell search issues that are still getting debated today. So what is the big fuss about these search issues? Most on the controversy centers on a reality how the stem cell therapy research come from embryos and scientists need to 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 work is equivalent to murdering human lives. You will discover currently several sources of embryos, including aborted fetuses and fertility clinics (which have thousands of unwanted frozen embryos). All of these sources are currently undergoing serious scrutiny during the federal government and a number of lobbying groups.