Why do cells stopreplication, after dividing like 50 times ? Are we programmed to die?

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Solution

During old age, there is an increase in occurrence of diseases due to which T-cells are synthesised more. But after a certain point in life body becomes very weak and it cannot fight the diseases anymore. The production of cells is also reduced significantly which makes immune system weak.

Yes, human beings are programmed to die at some point in their life. Death is ultimate in every person's life.

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