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Calcium in evolutionary perspective.

S B Eaton1, D A Nelson

  • 1Department of Radiology, West Paces Ferry Hospital, Atlanta.

The American Journal of Clinical Nutrition
|July 1, 1991
PubMed
Summary
This summary is machine-generated.

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Stone Age humans had higher calcium intake and physical activity, leading to greater peak bone mass and less bone loss compared to modern humans. This suggests evolutionary adaptations to a high-calcium environment.

Area of Science:

  • Nutritional Science
  • Paleoanthropology
  • Bone Health

Background:

  • Human nutritional requirements are shaped by evolutionary history.
  • Evidence suggests ancestral humans evolved in a high-calcium environment.
  • Modern lifestyles differ significantly from ancestral patterns.

Purpose of the Study:

  • To investigate the relationship between ancestral Stone Age lifestyles and bone health.
  • To compare calcium intake and physical activity levels of Stone Age humans with contemporary populations.
  • To understand the evolutionary basis of human nutritional requirements.

Main Methods:

  • Analysis of bony remains from the Stone Age.
  • Comparison of estimated Stone Age dietary calcium intake with modern levels.

Related Experiment Videos

  • Assessment of physical exertion requirements in Stone Age populations.

    • Main Results:

    • Stone Age calcium intake was approximately double that of contemporary humans.
    • Physical exertion requirements were significantly greater in the Stone Age.
    • Stone Age individuals developed higher peak bone mass.
    • Reduced age-related bone loss was observed in Stone Age populations.

    Conclusions:

    • Ancestral Stone Age diets and exercise patterns promoted superior bone health.
    • Evolutionary adaptations likely favored higher calcium intake and physical activity for optimal bone development.
    • Modern humans may not meet the evolutionary-established requirements for bone health.