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ThyOtherMe t1_is176m9 wrote

Size. Mostly.

One of the problems of freezing and adult is that you can not "flash freeze/unfreeze" it. The speed of the process (and medium used) matters because the cells are suffering from lack of oxygen. The slower And the water content inside the process, the bigger the damage. And there is also the water crystals that form during freezing. Thet damage the cells too (by rupturing structures) and one of the ways to prevent it is to freeze the cells super fast, forming less/smaller crystals. Unfreezing may be a problem too, since the temperature needed to heat your core organs fast enough would burn out your skin, muscles and outer layers.

An embryo is a really smal cluster of cells. You can diffuse heat a lot faster since there are less to freeze An adult is a really big cluster of cells.

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facetious_guardian t1_is1dtuj wrote

Also on the size topic: I don’t think an adult human is small enough to be used for IVF.

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[deleted] t1_is1n3yr wrote

[deleted]

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urzu_seven t1_is31oi2 wrote

Wait there is fiction where an adult human is used for IVF? What weird fiction is that?!?

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Altyrmadiken t1_isv6ox3 wrote

What would that even look like? The other persons post is missing.

Like… an adult injected into a body to… grow? Be born (again)?

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oyvinol t1_is2dhv1 wrote

Can you recommend any reading on this subject? I find it a bit interesting. Something introductory or a pop sci book maybe?

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ThyOtherMe t1_is2ppwt wrote

Tom Scott has a video about it (kinda of ) and has some links in it. Ask a mortician has videos on cryonics here and was also interesting.

I'm one of those "got a life gathering facts and topics at random and connecting dots on the fly" and not someone that does science for a living. I know you asked for books, but I can't remember (or link) anything right now.

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