Word: spinal
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...nearly everyone agrees on one thing: stem cells, the unspecialized cells the body uses as raw material for tissues and organs, have the potential to treat an astonishing range of ills, including Parkinson's disease, diabetes, Alzheimer's and spinal-cord injuries. After Bush's decision, the question becomes whether they'll ever get a fair chance...
...where a tumor has been removed in order to kill any cancer cells the surgeon has missed. By confining the drugs to the site of the tumor, the effects on other organs are minimized--always a major consideration in chemotherapy. The same concept has since been applied to prostate, spinal and ovarian cancers...
...were astonishing achievements. For the first time, scientists had access to a cornucopia of undifferentiated cells that can grow into any one of the 200 or so cell types that make up a human being. That opened the door to remarkable possibilities, including replacement cells for malfunctioning pancreases, injured spinal cords and plaque-clogged brains. It also brought stern warnings. Though the sacrificed embryos were no more than hollow, pinhead-size clusters of a few dozen cells, destroying them for whatever purpose represented, in the mind of many antiabortion conservatives, an assault on a human life...
Stem cells are the undifferentiated cells from which all specialized cells such as neurons derive. Scientists say that stem cells taken from early stage embryos hold the most promise for treating problems as diverse as diabetes and spinal cord damage...
...cell scientists need. Those who champion research using embryonic stem cells believe new studies could provide critical help for patients suffering from diseases ranging from Alzheimer?s to diabetes to Parkinson?s. There is hope, as well, that stem cell research could be used to reverse nerve damage and spinal cord injuries...