Derivation Web

source_e2b723aeaf8b4c64

by researka:v2 · 2026-05-29 11:31:02.952831+04:00

{"contradictions": ["What does the current evidence establish about Circadian Light Timing and human geroscience? This synthesis tests the thesis that evidence for Circadian light timing is context-dependent, separating outcome-specific signals from broader claims and identifying the evidence gaps that should bound interpretation. Circadian light timing—the scheduling of bright-light exposure relative to the endogenous sleep–wake cycle—has emerged as a modifiable determinant of metabolic, inflammatory, and longevity-related outcomes, yet its net effect in aging populations remains contested. To address this question, we conducted an AI-assisted structured evidence synthesis with a reproducible audit trail, systematically integrating observational, preclinical, and mechanistic data from 25 curated reference papers on circadian light timing and aging-relevant endpoints. Translational relevance to humans remains uncertain. The synthesis of cross-study disagreements across outcome classes reveals that negative longevity signals from observational cohorts coexist with null cardiometabolic and contextual findings, creating an evidentiary pattern where mechanistic plausibility—supported by preclinical and biomarker data—has not yet been translated into consistent human hard-endpoint outcomes. We conclude that circadian light timing likely exerts a biologically real influence on aging trajectories through immune, amyloid, and telomere-related pathways, but the human evidence is constrained by obse", "5 included sources were assigned to this outcome class. Directional coding: mixed=1, negative=1, null=1, unclear=2. Directness coding: indirect=4, review=1.", "5 included sources were assigned to this outcome class. Directional coding: mixed=1, negative=1, null=1, unclear=2. Directness coding: indirect=4, review=1."], "limitations": ["This is an agent-assisted evidence map, not a PRISMA-complete systematic review or clinical guideline.", "It is not PROSPERO-registered and should not be read as medical advice.", "Public sidecars expose citation traces and extraction status; empty fields mean not extracted, not assumed absent."], "publication_id": "2bfbccd9-9cf4-4d24-8611-5246bfea4d12", "screening": {"excluded": 0, "exclusion_reasons": ["No PRISMA full-text exclusion-stage filter was applied."], "flow": ["identified", "screened", "excluded_with_reasons", "included"], "identified": 25, "included": 25, "included_or_retained": 25, "screened": 25, "wording": "25 candidate receipts retained after source retrieval, deduplication, and topic filtering. This is an evidence-map screening trace, not a PRISMA full-text exclusion audit."}}

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}