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News Link • Science, Medicine and Technology

Nature of End of Life Death Spiral Revealed

• arclein
The scientists found that the basic cause of age-related health decline is malfunctioning telomeres — the end caps on cells’ chromosomes that protect them against DNA damage. As cells reach their predetermined limit of times that they can divide, the telomeres become shortened and frayed, making the chromosomal ends vulnerable to increased rates of unrepaired DNA damage.

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