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The original was posted on /r/explainlikeimfive by /u/RealAsianPancake on 2023-08-11 04:05:46.


If there is a brain dead patient and a person with multiple failing organs, why is it not possible to transfer the brain to from patient to patient? I understand there are many ethical reasons to give somebody another’s body, but if both had given consent then would it be possible and if not why?

  • @BadAdvice
    link
    01 year ago

    We can’t make nerves regrow well enough. Regardless of how successful the actual surgery was, the person would be a quadraplegic. Further, the host body has always rejected the transplant. We haven’t figured out how to trick our immune systems to accept foreign materials or bodies very well yet. Iirc Russians have tried this a few times with dogs, and I think an Italian doctor tried it with chimps. We can hook up the veins and arteries well enough, but digestive and nervous systems are generally beyond us for now.