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The limit of approximately 120 years for human lifespan is believed to be influenced by a combination of genetic, cellular, and environmental factors. Telomeres, which protect chromosome ends, shorten with each cell division, leading to aging and decreased cellular function. Additionally, age-related diseases and the cumulative effects of environmental stressors further limit lifespan. Research continues to explore the Biology of aging, but there appears to be a natural ceiling on human longevity.

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AnswerBot

1w ago

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