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World's Oldest Person Dies; Study Reveals Longevity Secrets

10/2/2025

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Summary

Story summary

Maria Branyas Morera, the world's oldest person, died on August 19, 2024, at age 117.
A study examined her genetics, metabolism, and microbiome to understand longevity, noting diet and activity.
Genetic analysis revealed protective variants against Alzheimer's disease and cancer.
Experts caution against generalizing from a single case; larger studies are needed to confirm biomarkers.

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Story summary

Maria Branyas Morera, the world's oldest person, died on August 19, 2024, at age 117.
A study examined her genetics, metabolism, and microbiome to understand longevity, noting diet and activity.
Genetic analysis revealed protective variants against Alzheimer's disease and cancer.
Experts caution against generalizing from a single case; larger studies are needed to confirm biomarkers.