This is not joke.
A new longevity model suggests humans could potentially live 430 years 🤯!
Scientists have created a new aging research suggesting that our bodies might be built for far longer life than we actually experience.
In this model, most of our organs could keep repairing themselves for centuries. Some tissues, like the liver and skin, can replace damaged cells again and again with almost no limit.
But post mitotic cells, especially neurons in the brain and muscle cells in the heart, don’t divide. They slowly build up tiny DNA mutations over time. Once those cells hit their limit, the entire body does.
Because of these “aging bottlenecks,” the model predicts a realistic human lifespan of around 134–170 years, roughly double what people reach today.
Under ideal conditions, without mutation driven aging, humans might biologically reach up to 430 years. For the brain alone, the model estimates a median lifespan limit of about 169 years.
Proliferating tissues (like liver and skin) could theoretically last thousands of years, since they keep replacing damaged cells. But those non dividing cells eventually accumulate too many irreversible DNA mutations, becoming the key aging bottlenecks.
Study: Somatic mutations impose an entropic upper bound on human lifespan (2025 preprint)
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