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Area of Science:

  • Evolutionary biology
  • Gerontology
  • Genetics

Background:

  • A 150-year scientific debate exists on programmed vs. non-programmed aging in mammals.
  • Historically, programmed aging was considered theoretically impossible in mammals.
  • Recent evolutionary mechanics and discoveries challenge this, supporting programmed aging and lifespan limitation.

Purpose of the Study:

  • To summarize the evolutionary mechanics of programmed and non-programmed aging theories.
  • To describe factors hindering the resolution of this scientific schism.
  • To recommend steps for resolving the programmed/non-programmed aging conundrum.

Main Methods:

  • Review of evolutionary mechanics theories.
  • Analysis of scientific literature on aging.
  • Identification of factors preventing consensus.

Main Results:

  • Modern theories support programmed aging in mammals.
  • A schism exists in the bioscience community regarding aging's fundamental nature.
  • Differing predictions for age-related diseases (cancer, stroke, heart disease) arise from each theory.

Conclusions:

  • Resolving the programmed/non-programmed aging debate is critical for medical research.
  • Understanding aging's basis impacts disease treatment and prevention strategies.
  • Further research and consensus-building are needed to address this fundamental biological question.