[ELI5] Why aren’t brain transplants possible?

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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?

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9 Answers

Anonymous 0 Comments

Another point that I havent seen mentioned yet.
The brain starts to get permanently deamaged without oxygen after just 4 minutes. So you would have about 4 minutes to make the transfer or you would need to figure out a way to supply the brain with oxygen which we currently cant do. Another point im not sure if it is in every country but somee countries I know of death is defined as brain death. If the brain is dead you cant transplant it any more and befor the person is legaly alive so you would be taking an organ of a living person which makes it even harder because in most countries you cant consent to giving someone organs that would kill you.

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