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Editorial
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Volume 344:1785-1787 June 7, 2001 Number 23
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High Hopes for the Heart

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 by Beltrami, A. P.
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Regeneration is an essential function of the human body. Our relatively long life span is predicated on processes that mend damaged muscles, repair broken bones, renew injured skin, replenish blood, and restructure vessels. Flies and nematodes, those experimental paradigms of embryonic development, cannot regenerate their adult tissues and die once their cells have run their course. Despite the inevitable physiologic changes that we experience as we grow old, our tissues are remarkably resistant to the insults of time, because most can rebuild themselves, recapturing their original shape over and over.

The heart is less well equipped to deal with injury. . . . [Full Text of this Article]

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