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Study Reveals Social Aging Protects Monkeys from Disease

Research finds that older rhesus macaques with smaller social networks face lower infection risks.

  • Rhesus macaques on Cayo Santiago show reduced disease rates with fewer social connections as they age.
  • Social aging, common in both animals and humans, may evolve to mitigate infection risks.
  • The study highlights the cost-benefit balance of social ties, which change over an individual's lifespan.
  • Older macaques benefit most from reduced social ties when facing highly infectious diseases.
  • Future research aims to further explore how illness influences the evolution of social aging.
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