what is rejuvenation
Rejuvenation is a medical discipline focused on the practical reversal of the aging process.Rejuvenation is distinct from life extension. Life extension strategies often study the causes of aging and try to oppose those causes in order to slow aging.ging is an accumulation of damage to macromolecules, cells, tissues and organs. If any of that damage can be repaired, the result is rejuvenation. There have been many experiments which have been shown to increase the maximum life span of laboratory animals, thereby achieving life extension.