Imagine being frozen in time to escape a deadly illness, then getting warmed when a cure is found. There is question on whether cryogenic methods should be used. To fully understand cryogenics a knowledge of cold, background information on some branches of cryogenics, some problems with cryopresevation, and different peoples views towards cryogenics is needed. "Cold is usually considered hostile to mankind. Most people hate cold and with reasons." If not careful, cold can be deadly to animal and human life, but it can also help cure ....