This article is from the Cryonics FAQ, by Tim Freeman tim@infoscreen.com with numerous contributions by others.
Repairing the freezing damage looks much harder than curing any
existing disease, so if revival is possible then curing the disease
ought to be trivial. This doesn't include diseases that lose
information in the brain, such as Alzheimer's, mental retardation, or
brain tumors; in these cases, even if the disease were cured and the
person revived, the problem of replacing the lost information looks
hard.
 
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