For one, in the US it can only be legally performed on people that have already been pronounced legally dead (according to the wikipedia article). I don't know a lot about the science behind cryonics but any waiting seems like it has to hurt your chances of revival.
For one, in the US it can only be legally performed on people that have already been pronounced legally dead (according to the wikipedia article). I don't know a lot about the science behind cryonics but any waiting seems like it has to hurt your chances of revival.