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Scientists restore blood flow and cell function throughout bodies of dead pigs

Scientists announced Wednesday they have restored blood flow and cell function throughout the bodies of pigs that were dead for an hour, in a breakthrough experts say could mean we need to update the definition of death itself.

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OrganEx could also make new forms of surgery possible as it creates "more medical wiggle room in cases with no circulation to fix things," said Anders Sandberg of Oxford University's Future of Humanity Institute. The technique could potentially also be used to resuscitate people. However this could increase the risk of bringing back patients to a point where they are unable to live without life support -- trapped on what is called the "bridge to nowhere," Brendan Parent, a bioethicist at the NYU Grossman School of Medicine, said in a linked comment in Nature.