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Notes on an evolutionary medicine

H Weiner1

  • 1Neuropsychiatric Institute, University of California, Los Angeles 90024, USA.

Psychosomatic Medicine
|August 26, 1998
PubMed
Summary
This summary is machine-generated.

Medicine lacks a unified theory of health and disease, often relying on mechanistic explanations. This study proposes integrating evolutionary biology to view health as adaptive success and disease as adaptive failure.

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Area of Science:

  • Evolutionary Biology
  • Integrative Medicine
  • Health Theory

Background:

  • Current medical explanations for disease are reductionistic, mechanistic, and focus on proximate causes like infection or genetic mutations.
  • Existing medical frameworks lack a comprehensive theory integrating physical, social, environmental, and psychological factors in health and disease etiology.
  • There's a recognized need for a broader theoretical basis in medicine to encompass multifactorial influences on well-being.

Purpose of the Study:

  • To propose a unified, integrated theory of health, illness, and disease.
  • To advocate for evolutionary and organismic biology concepts to guide medical theory development.
  • To establish a clearer taxonomy in medicine based on evolutionary principles.

Main Methods:

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  • Reviewing key aspects of evolutionary theory, particularly natural and sexual selection.
  • Expanding Darwinian concepts to frame health as adaptive success and disease as adaptive failure.
  • Analyzing the role of genetic, physiological, and behavioral adaptations in response to selective pressures.
  • Main Results:

    • Proposes viewing health as successful adaptation and disease as a failure to adapt.
    • Highlights the importance of social behavior, physiological regulation, and emotional responses as evolved adaptations.
    • Suggests that evolutionary principles can unify diverse factors influencing health and disease.

    Conclusions:

    • A comprehensive theory of health and disease should be guided by evolutionary and organismic biology.
    • Viewing health and disease through the lens of adaptation provides a more integrated understanding.
    • This evolutionary framework can lead to a more coherent medical taxonomy and practice.