As I understand, one of the reasons we haven’t figured out something like cryogenic sleep is that cells are irreparably damaged during the freezing and thawing process. How do we manage to avoid those problems when freezing and storing embryos for the purposes of IVF?
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You can freeze cells, researchers do it all the time. However, it requires that you put the cells in particular medium that doesn’t form ice crystals when it freezes. That’s perfectly doable with a tube of cells, not so much with an entire person.
Also, when you freeze & thaw cells in a lab setting, a decent proportion of them will not survive the process. Also fine when you have some separate cells and are fine just moving on with the survivors, but not viable when it means half of a person’s cells die (and then the other half follows).
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