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[The human life cycle from a theoretical viewpoint]

Zeitschrift Fur Die Gesamte Innere Medizin Und Ihre Grenzgebiete

|February 15, 1976

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Human aging is modeled as generalized motion, defining chronological and biological age. Vitality, a complex variable, quantifies irreversible organism alterations and relates to biomorphosis.

Area of Science:

Gerontology and theoretical biology.
Mathematical modeling of biological processes.

Context:

Understanding human aging requires precise definitions of age-related terms.
Existing models may not fully capture the complexity of biological decline.

Purpose:

To propose a theoretical framework for understanding human aging.
To define key concepts like chronological age, biological age, and the process of aging.
To introduce a quantitative measure for biological state and decline.

Summary:

This study conceptualizes human lifespan as a generalized motion.
It defines chronological age, biological age, and aging.
A complex variable, 'vitality,' is introduced to model irreversible organismic changes, where its rate of change (dV/dt) is equivalent to system biomorphosis.

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Impact:

Provides a novel theoretical perspective on aging.
Offers a quantifiable metric (vitality) for assessing biological state.
Potential to inform future research in gerontology and biogerontology.