Energy constraint model of human health: How metabolic trade-offs shape aging and disease
By
Herman Pontzer2 Send email to [email protected]
Summary
This article presents an energy constraint model of human health, arguing that the body-brain system operates under an economy of energy due to evolved constraints on energy transformation. It proposes that finite internal energy resources must be dynamically reallocated among three main classes of processes: (i) vital functions, (ii) stress-related processes, and (iii) growth, maintenance, and repair (GMR). The model integrates life history theory with cellular biology, suggesting that more urgent vital and stress functions are prioritized by suppressing longevity-promoting GMR processes. This framework provides an energy-based approach to understanding health and disease dynamics across the lifespan, with implications for aging, disease, and healing.
Source
bskyEnergy constraint model of human health: How metabolic trade-offs shape aging and diseasecell.comKey quotes
· 4 pulledEnergy transformation is the fundamental driver of life.
To survive and thrive, an organism's finite internal energy resources must be dynamically reallocated, forcing trade-offs from organelle to organism.
Competing demands for these processes exist within a hierarchy of energy needs where more 'urgent' vital- and stress-related functions are prioritized by suppressing longevity-promoting growth, maintenance, and repair processes.
The energy constraint model of human health provides an energy-based framework to address health/disease dynamics across the lifespan.
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