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HEALTHY AGING: THE PROMISE, AND PERILS, OF GEROSCIENCE.

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Aging, a recent phenomenon, is the primary risk factor for major diseases. Geroscience interventions targeting aging mechanisms may prevent multiple illnesses, but societal impacts require careful consideration.

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Area of Science:

  • Gerontology and Geroscience
  • Biomedical Research

Background:

  • Aging is a recent development, with significant life expectancy gains in the last few centuries.
  • Aging is the strongest risk factor for major diseases like cancer, heart disease, and neurodegenerative disorders, contributing significantly to morbidity, mortality, and healthcare costs.

Purpose of the Study:

  • To explore the geroscience hypothesis, which posits that aging mechanisms drive multiple chronic illnesses and functional decline.
  • To examine the 12 identified "hallmarks" or "pillars" of aging as targets for intervention.
  • To discuss the potential benefits and challenges of geroscience-based interventions.

Main Methods:

  • Review of the geroscience hypothesis and its underlying "hallmarks" of aging.
  • Analysis of the potential of intervening in aging mechanisms to prevent multiple diseases simultaneously.
  • Discussion of the ethical and societal implications of successful geroscience interventions.

Main Results:

  • The geroscience hypothesis suggests that targeting aging mechanisms can prevent multiple age-related diseases.
  • Twelve "hallmarks" of aging (e.g., genomic instability, cellular senescence, inflammation) are key targets for intervention.
  • Evidence for causal links between aging hallmarks and disease is strengthening.

Conclusions:

  • Geroscience-based interventions hold promise for reducing illness burden and preserving function more effectively than single-disease approaches.
  • The path to successful geroscience interventions involves obstacles and potential pitfalls.
  • Successful interventions could profoundly impact society and the environment, necessitating ethical debate and societal adaptation.