BRS6(FM2) - HPA Axis Rhythm & Cortisol Regulation
Functional control of cortisol rhythm, circadian timing, and stress-hormone regulation across waking, feeding, and recovery cycles.
Functional Role
↑ cortisol rhythm stability; ↑ morning activation; ↓ evening stress-hormone drift
Underlying Mechanisms and Requirements
PMs
KCs
- BRS6(KC1) - Glucose / Energy Substrate Availability
- BRS6(KC2) - Stress-Response Micronutrient Sufficiency
Optional BRSX Modifiers
- None listed
Cross-BRS Links
- BRS1(PM1) — Dopaminergic Signalling
- BRS4(FM1) — Cellular Bioenergetics
Interventions
Diet
regular protein-rich breakfast → morning energy/catecholamine support; consistent meal timing → circadian metabolic entrainment; daylight exposure → circadian alignment; darkness / reduced evening light → melatonin conversion context; sleep regularity → cortisol rhythm stability
Lifestyle
regular protein-rich breakfast → morning energy/catecholamine support; consistent meal timing → circadian metabolic entrainment; daylight exposure → circadian alignment; darkness / reduced evening light → melatonin conversion context; sleep regularity → cortisol rhythm stability
Outputs / Functional Effects
↑ cortisol rhythm stability; ↑ morning activation; ↓ evening stress-hormone drift
Practical Interpretation
[INSERT_PRACTICAL_INTERPRETATION_FROM_SHEET_IF_AVAILABLE]
Cross-System Links
- BRS1(PM1) — Dopaminergic Signalling
- BRS4(FM1) — Cellular Bioenergetics
Mechanism Summary Table
| Field | Value |
|---|---|
| FM ID | BRS6(FM2) |
| Parent BRS | BRS6 |
| Intervention Dominance (Column O) | Lifestyle-Dominant |
| Coverage Timing (Column K) | Daily |
| Response Type (Column L) | Hours–Days |
| Functional Latency (Column M) | Same day–Days |
Scoring Interpretation
Low support and high support interpretation should be defined in narrative only; no formulas are included in this test generation.
Evidence Base
- Evidence Type (Column H): Human + mechanistic
- Evidence/Notes (Column N): Lifestyle-dominant FM with strong diet timing support. Avoid overclaiming food-only control of cortisol.
References
- Missing bibliography entry: [Stenvers et al. (2019) — https://pubmed.ncbi.nlm.nih.gov/31152883/]
- Missing bibliography entry: [Scheer et al. (2009) — https://pubmed.ncbi.nlm.nih.gov/19255424/]
- Missing bibliography entry: [Garaulet & Gómez-Abellán (2014) — https://pubmed.ncbi.nlm.nih.gov/24467926/]
Missing Entities
- None flagged from this row-level pass