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Study of 117-Year-Old Maria Branyas Finds Biological Age of 94

Researchers point to a rare mix of protective genes plus a youthful microbiome as a possible path to longer healthy years.

Overview

  • The integrated genome-to-microbiome analysis was published in Cell Reports Medicine by a multi-institutional team led by Manel Esteller.
  • Epigenetic clocks placed her biological age about 23 years below her chronological age, aligning with low inflammation, efficient autophagy and an exceptional lipid profile.
  • Immune profiling showed T-cell populations typical of much younger people with preserved pathogen recognition and limited autoimmunity.
  • Despite these strengths, the study documented extraordinarily short telomeres and evidence of clonal hematopoiesis consistent with advanced cellular aging.
  • Authors report numerous rare variants linked to longevity and mitochondrial efficiency, a gut flora enriched in Bifidobacterium possibly supported by daily yogurt intake, and they caution that this single-case result needs broader validation.