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Stem Cells help man grow a new jaw

German doctors were able to help a patient grow a new jawbone using stem cells and a titanium mold attached to his back, reports NewScientist.com. Cancer had forced the removal of the original jaw nine years earlier.

To me this is very different ethically than growing spare parts in a test-tube– much closer to stimulating the body to simply regenerate itself. Although far from a cut-and-dry argument, it’s clear that the value of this kind of medicine is tough to ignore.

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