The genes of humans area unit genetically programmed for ageing. The human genes encompass a supermolecule known as rapamycin that has been chargeable for regulation in ageing and growth. there's genetic theory that longevity of life is decided by the longevity of their oldsters and grandparents which identical twins have similar age span than fraternal twins. The metabolism plays a very important role within the regulation of ageing and growth. Metabolism produces reactive chemicals or oxidizing agents that will increase the ageing method because of the injury in cells. The cells of AN organism area unit perpetually obtaining broken and wiped out on routine. But, sometimes, permanent injury happens to additional or less permanent basis that these can not be repaired simply, resulting in ageing. life style factors area unit those factors that area unit littered with the life-style of someone like addiction of gear, intake behaviors, and so on. Psychological factors area unit those factors wherever you are attempting to own your own psychological read of life that will represent individual’s temperament as well as the factors like optimism, subjective prosperity, spirituality, etc.

Yogita Parihar

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