Syväjäädytyslä

Syväjäädytys is a Finnish term that translates to cryonics or human cryopreservation. It refers to the practice of preserving a legally deceased person's body or brain at very low temperatures with the hope that future medical advancements will be able to revive and cure them. While not a scientifically proven process, it is a subject of ongoing research and discussion.

The primary concept behind syväjäädytys is that by preventing decomposition at cryogenic temperatures, typically using liquid nitrogen, the cellular structure of the body or brain may be preserved sufficiently for future repair. Proponents believe that current technology is not advanced enough to achieve revival, but that future science will overcome the challenges of cellular damage caused by the freezing process and the original cause of death.

Organizations offering syväjäädytys services typically require a contract to be signed before a person's death. Upon legal death, the body is cooled, and a special cryoprotective solution is perfused to minimize ice crystal formation, which can cause significant cellular damage. The body is then stored at extremely low temperatures, usually in a Dewar flask filled with liquid nitrogen.

Syväjäädytys is a controversial topic. Critics point to the lack of scientific evidence for revival and the potential for significant cellular damage during the preservation process. Ethical considerations regarding the definition of death, the allocation of resources, and the potential for creating a future society with individuals from different eras are also widely debated. Despite these challenges, a small but dedicated community continues to pursue syväjäädytys as a potential pathway to extended life.