Rejuvenating Stem Cells

(From Haaretz). Scientists are looking to the rejuvenation of aging stem cells in the body: "The big revolution will come when stem cells can be used to stop the aging process. Five years ago, when scientists were talking about 'stopping the biological clock,' it sounded like science fiction. ... scientists took an old mouse and a young mouse and joined their blood systems. They found that the exposure caused the stem cells of the elderly mouse to be renewed ... The search for substances that will cause our stem cells to be rejuvenated could be one of the big revolutions of our times." There are many caveats associated with this line of research - we have no idea whether or not rejuvenating stem cells would have a large effect on the aging process, for example - but it certainly shouldn't be dismissed.


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