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18 November 2016, 13:12
News Explained: This Is How Cryogenic Freezing Works
As a terminally-ill 14-year-old girl wins the right to have her body frozen, this is everything you need to know.
Cryonics is the process of preserving a body in extremely cold temperatures with the hope of reviving it in the future.
Once legally dead, a glycerol-based chemical - a sort of human antifreeze - is pumped into your body to stop the water in your cells freezing and expanding.
Your body is cooled on a bed of dry ice until it reaches -130 C before being put in an individual container and submerged in a vat of liquid nitrogen.
You go in head first so if there was ever a leak, your brain would stay immersed in the liquid.
The first person to be cryogenically frozen was 73 year old psychologist Dr James Bedford. His body is reportedly still in good condition.
It’s not cheap, being frozen could set you back up to £250,000.