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Putting pig organs in people is OK in the US, but growing human organs in pigs is not – why is that?

  • Written by Monika Piotrowska, Associate Professor of Philosophy, University at Albany, State University of New York
imageWhile research on human-pig chimeras is on an indefinite pause, xenotransplantation is moving ahead.wildpixel/iStock via Getty Images Plus

In a Maryland operating room one day in November 2025, doctors made medical history by transplanting a genetically modified pig kidney into a living patient. The kidney had been engineered to mimic human tissue...

Read more: Putting pig organs in people is OK in the US, but growing human organs in pigs is not – why is that?

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