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Study Links Childhood Intelligence to Parental Longevity

10/30/2025

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Summary

Story summary

A University of Edinburgh study finds a genetic link between childhood intelligence and parental longevity.
Researchers analyzed data from nearly 400,000 individuals.
They found about one-third of genetic influences on children's intelligence overlap with those affecting parents' lifespans.
For every standard deviation increase in childhood intelligence test scores, mortality risk declines by 24%.
The study notes no specific genes were identified while acknowledging that healthcare access and lifestyle influence longevity.

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Story summary

A University of Edinburgh study finds a genetic link between childhood intelligence and parental longevity.
Researchers analyzed data from nearly 400,000 individuals.
They found about one-third of genetic influences on children's intelligence overlap with those affecting parents' lifespans.
For every standard deviation increase in childhood intelligence test scores, mortality risk declines by 24%.
The study notes no specific genes were identified while acknowledging that healthcare access and lifestyle influence longevity.