The catabolic - anabolic cycling hormesis model of health and resilience.
Level 5 - mechanism / opinion, no new human data
Narrative review and theoretical framework without original empirical data or systematic review methodology
PubMed 39551161 · doi:10.1016/j.arr.2024.102588
What was done
This narrative review presents a theoretical framework called the catabolic-anabolic cycling hormesis (CACH) model. The authors synthesize literature on physical exercise and intermittent fasting to describe how alternating periods of catabolic stress and anabolic recovery optimize resilience and cellular performance across weeks and months.
What was found
The abstract reports no empirical numbers, quantitative metrics, or statistical estimates. It outlines a conceptual model proposing that health optimization comprises two complementary, metabolically integrated phases: an adaptive stress and resource-conservation phase (catabolic) followed by a growth and plasticity phase (anabolic), constrained by an upper limit of biological plasticity.
Why it matters
The paper provides a unified conceptual framework for integrating dietary restriction and exercise protocols into biphasic hormetic regimens, offering theoretical guidance for future aging research.
Limits
As a conceptual paper and narrative synthesis, it presents no primary human or animal data. The abstract lacks quantitative parameterization of optimal cycle lengths, dosing, or validated clinical outcome measures.
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