A natural enzyme (telomerase) in all exists the organisms livings creature that she is in charge proceeding to the maintenance of the telmeros. For each division of the cell it adds the part of telmero that it is lost in virtue of the same one, in way that telmero does not diminish and the cell can be divided whenever it needs. What it happens is that it makes this function solely in the germinativas cells making with that these are permanently young independently of the organism to be already old. It had to make the same in the somatic cells of the organism, but, this does not happen. The somatic cells have the gene of telomerase but they do not produce it therefore, this is not activated. Currently science already obtains to activate telmerase and to create immortal healthful cells.
Scientific magazines already had brought articles on this subject. The aging can be understood as the consequncia of the ticket of the time or as the chronological process for which an individual if becomes older. This traditional definition has been defied for its simplicity. In the case of the beings livings creature one becomes related with reduction of the functional reserve, with the reduction of the resistance to the aggressions and with the increase of the death risk. The human being characterizes for a biopsicossocial process of transformations, occured throughout the existence, exciting gradual reduction of efficiency of organic functions biological, creation of new social paper that could in accordance with be positive or negative the social and cultural values of the group which the aged one belongs sociocultural; for the psychic aspects visas in such a way for the proper society how much for the aged one. In biology, ' ' senescncia' ' it is the natural process of aging or the set of phenomena associates to this process.