Research & Evidence | Centre for Optimum Health
Research & Evidence

The full research base behind the BioTerrain Framework.

Every core statement, all nine fates of inflammation, and every domain — with the scientific literature each one draws on.

Peer-reviewed journal / primary study
Clinical reference / textbook / review resource
Educational or commercial source (lower tier, flagged)

Core Framework Statements

1
Medicine evolves in layers, step by step — scientific understanding keeps pushing further, deeper. It is immature to use the phrase “root cause of disease,” particularly for chronic diseases. The deepest layer considered today will be superficial to tomorrow’s research.
A paradigm shift: from disease to health orientation — PubMed
Health Paradigm Shifts in the 20th Century — Christian Journal for Global Health
Paradigm Shift in Inflammatory Bowel Disease Management — PMC, 2024
Multifactorial Diseases of the Heart, Kidneys, Lungs, and Liver and Incident Cancer — PMC
Complex patterns and determinants of regional multiple chronic conditions — PNAS Nexus
Challenging the loss of complexity theory — bioRxiv preprint, 2025
MIT Libraries — Paradigm Shift in Infectious Diseases exhibit — citing Bourouiba, NEJM
Do reductionist cures select for holistic diseases? — arXiv preprint
Flawed foundation is the root cause of failure of medicine — Global Journal of Cancer Therapy
Exploring the Role of Reductionism and Lifestyle Medicine in Chronic Disease — practitioner blog
The Evolution of Disease Theories Through History — ScienceInsights
2
Biological stressors — infections, toxins/nutrients, physical/mental stress, ageing, and inborn genetics — are the real root causes of disease.
Using Exposomics to Assess Cumulative Risks and Promote Health — PMC
The Exposome: Embracing the Complexity for Discovery in Environmental Health — Environmental Health Perspectives
A review on the application of the exposome paradigm to age-related diseases — Human Genomics, Springer Nature
Charting the landscape of the environmental exposome — PMC
McEwen, B.S. — Stress, Adaptation, and Disease: Allostasis and Allostatic Load — Annals of the NY Academy of Sciences, 1998
Juster, McEwen & Lupien — Allostatic load biomarkers of chronic stress — Neuroscience & Biobehavioral Reviews, 2010
Seeman, McEwen, Rowe & Singer — Allostatic load as a marker of cumulative biological risk — PNAS, 2001
Allostatic load index across the psychosis spectrum — PMC, systematic review 2025
Impact of Gene–Environment Interactions on Cancer Development — PMC
Hunter, D.J. — Gene-environment interactions in human diseases — Nature Reviews Genetics, 2005
Gene-environment interaction in the pathophysiology of type 1 diabetes — PMC
Impact of Allostatic Load on Chronic Hepatitis B and C — PMC, 2025
Gene-Environment Interactions in Inflammatory Bowel Disease — PMC, systematic review
3
Stress leads to inflammation, which is a natural biological response to repair, resolve, adapt, and evolve. This is how health evolves.
Medzhitov, R. — Origin and physiological roles of inflammation — Nature, 2008
Kotas, M.E. & Medzhitov, R. — Homeostasis, inflammation, and disease susceptibility — Cell, 2015
The spectrum of inflammatory responses — Science, 2021
Serhan, C.N. — Resolution phase of inflammation — Annual Review of Immunology, 2007
Current advances and future trends of hormesis in disease — npj Aging, 2024
A dose of experimental hormesis: mild stress protects and improves animal performance — PubMed
The Hormesis Concept: Strengths and Shortcomings — Biomolecules, 2023
Fundamental Flaws of Hormesis for Public Health Decisions — PMC — critical counterpoint, included deliberately
Franceschi, C. et al. — Inflammaging — Nature Reviews Endocrinology, 2018
Besedovsky, L. et al. — The sleep-immune crosstalk in health and disease — Physiological Reviews, 2019
Hormesis defined — Johns Hopkins University
4
Inflammation is a protective, natural response — not a villain.
Non-steroidal anti-inflammatory drug delays corneal wound healing — Scientific Reports, Nature, 2017
Nrf2 Suppression Delays Diabetic Wound Healing Through Sustained Oxidative Stress and Inflammation — Frontiers in Pharmacology, 2019
Ten Top Tips: medications that slow wound healing — Wounds International
Manufacturer clinical trial safety documentation (nepafenac/NSAID eye drops) — regulatory filing
Medzhitov, R. (2008) — cross-referenced, see Statement 3
Kotas & Medzhitov (2015) — cross-referenced, see Statement 3
Serhan (2007) — cross-referenced, see Statement 3
5
It is the fate of inflammation — not inflammation itself — that decides the outcome — toward health or disease.
Lawrence, T. — Chronic inflammation: a failure of resolution? — International Journal of Experimental Pathology, 2007
Resolution of chronic inflammatory disease: universal and tissue-specific concepts — Nature Communications, 2018
Involvement of Inflammation and Its Resolution in Disease and Therapeutics — PMC
Molecular dynamics of inflammation resolution: therapeutic implications — PMC
Evidence of Failed Resolution Mechanisms in Arrhythmogenic Inflammation, Fibrosis and Right Heart Disease — PMC
Switching Off Key Signaling Survival Molecules to Switch On the Resolution of Inflammation — PMC
PGE₂ production at sites of tissue injury determines the outcome of inflammation resolution — bioRxiv preprint
Is Resolution the End of Inflammation? — ScienceDirect / Trends in Immunology, 2019
Distinct etiology of chronic inflammation — implications for degenerative diseases and cancer — Frontiers in Immunology, 2024 — nuance/counterpoint, included deliberately
Serhan (2007) — cross-referenced

The Nine Fates of Inflammation

Fate 1
Resolution — leading to resilience. That is health.
Trained immunity of alveolar macrophages enhances injury resolution — Journal of Experimental Medicine, 2023
Therapies Targeting Trained Immune Cells in Inflammatory and Autoimmune Diseases — PMC
Trained immunity: A ‘new’ weapon in the fight against infectious diseases — Frontiers in Immunology, 2023
Activation of Resolution Pathways to Prevent and Fight Chronic Inflammation — PMC
Molecular dynamics of inflammation resolution — PMC, cross-referenced
Serhan (2007) / Medzhitov (2008) / Kotas & Medzhitov (2015) — cross-referenced
Fate 2
Apoptosis, Autophagy, or Senescence.
When apoptosis meets autophagy: deciding cell fate after trauma and sepsis — PMC
Quantitative assessment of cell fate decision between autophagy and apoptosis — Scientific Reports, Nature, 2017
Autophagy-induced senescence is regulated by p38α signaling — Cell Death & Disease, Nature, 2019
Mechanisms and functions of cellular senescence — Journal of Clinical Investigation, 2018
Phagocytosis of Apoptotic Cells in Resolution of Inflammation — PMC
Kotas & Medzhitov (2015) — cross-referenced
Fate 3
Chronic low-grade inflammation — continues compounding compensatory energy demand, leading to loss of metabolic flexibility. Leads to diseases like diabetes and metabolic obesity.
Metabolic inflammation: Connecting obesity and insulin resistance — Annals of Medicine
Hotamisligil, G.S. et al. (1993) — foundational TNF-α/insulin resistance discovery
Chronic Adipose Tissue Inflammation Linking Obesity to Insulin Resistance and T2D — Frontiers in Physiology, 2019
Mechanisms of Obesity-Induced Inflammation and Insulin Resistance — Frontiers in Endocrinology, 2013
Role of immune cells in obesity induced low grade inflammation and insulin resistance — Cytokine
Metabolic Inflammation and Insulin Resistance in Obesity — Circulation Research, AHA
Inflammation in obesity, diabetes, and related disorders — Immunity, Cell Press
Obesity-Driven Metabolic Disorders: Inflammation and Mitochondrial Dysfunction — International Journal of Molecular Sciences, 2025
Insulin resistance and the role of inflammation — PMC, 2015
Netherlands Journal of Medicine review on fat distribution and inflammation — peer-reviewed
Li et al. (2022) — metabaging cycle — Journal of Cachexia, Sarcopenia and Muscle, cross-referenced
Fate 4
Fibrosis — leading to cardiac, lung, liver, kidney, and similar diseases.
Fibrosis: mechanisms and targets — Nature journals collection
Cellular and Molecular Mechanisms Driving Fibrosis Across Organ Systems — Frontiers, 2026
Macrophages in organ fibrosis: from pathogenesis to therapeutic targets — PMC
Beyond Organ-Specific Therapies: A Unified Approach to Multi-Organ Fibrosis — PubMed, 2026
Fibrosis: Types, Effects, Markers, Mechanisms for Disease Progression — PMC
Targeting tumor suppressor p53 for organ fibrosis therapy — PMC
5/6-nephrectomy and unilateral ureteral obstruction model of remote organ fibrosis — PMC
Targeting fibrosis: mechanisms and clinical trials — PMC
Physical Exercise: A Promising Treatment Against Organ Fibrosis — PMC
Serhan (2007) — cross-referenced
Fate 5
Degeneration — stem cell exhaustion, loss of regenerative capacity — like neurodegeneration and sarcopenia.
Hallmarks of stem cell aging — Cell Stem Cell, 2025
Aging of hematopoietic stem cells — Blood, American Society of Hematology
Autophagy in stem cell aging — PMC
Stem Cell Exhaustion as A Hallmark of Aging — Journal of Cell Science & Regenerative Medicine, 2025
Microenvironment-driven satellite cell regeneration in aging-related sarcopenia — Stem Cell Research & Therapy, Springer Nature, 2025
Molecular constraints of sarcopenia in the ageing muscle — Frontiers in Aging, 2025
Losing stem cells in the aged skeletal muscle niche — Cell Research, Nature
Stem cell aging in the skeletal muscle: The importance of communication — Ageing Research Reviews
Inhibition of the Activin Receptor Type-2B Pathway Restores Regenerative Capacity — PMC
López-Otín et al. — The Hallmarks of Aging — Cell, 2013
Stem Cell Exhaustion Explained — Qualia, commercial — statistics cited from peer-reviewed sources
Fate 6
Misrecognition — loss of tolerance, autoimmunity — like RA, SLE.
Genetic and epigenetic influences on the loss of tolerance in autoimmunity — Cellular & Molecular Immunology, Nature, 2018
Function and Role of Regulatory T Cells in Rheumatoid Arthritis — PMC
Preclinical models of arthritis for studying immunotherapy and immune tolerance — PMC
Exploring the Role of the Microbiome in Rheumatoid Arthritis — PMC, 2024
Potential clinical implications of molecular mimicry-induced autoimmunity — PMC, 2023
Autoimmunity: the neoantigen hypothesis — Frontiers in Immunology, 2024 — challenges the standard framing, included deliberately
USPTO patent filing on autoimmune diabetes — technical/legal filing, RA/SLE/T1D grouped
Fate 7
Necrosis — energy collapse, membrane rupture — acute destructive outcomes.
Zong, W.X. & Thompson, C.B. — Necrotic death as a cell fate — Genes & Development, 2006
Necrosis Pathology — StatPearls, NCBI Bookshelf, NIH
Necrosis — University of Edinburgh Pathologia teaching resource
Necrosis as Programmed Cell Death — IntechOpen
Regulated Necrotic Cell Death — Circulation Research, AHA
Induction of necrotic cell death by oxidative stress in retinal pigment epithelial cells — PMC
Transient receptor potential melastatin 4 and cell death — PMC
ATP depletion alters the mode of cell death induced by benzyl isothiocyanate — ScienceDirect
Fate 8
Abscess — infection containment via pus formation.
Neutrophil-derived IL-1β Is Sufficient for Abscess Formation Against S. aureus — PLOS Pathogens, 2012
A play in four acts: Staphylococcus aureus abscess formation — PMC
A review of the proposed role of neutrophils in rodent amebic liver abscess models — PMC
Mycobacterium abscessus-Induced Granuloma Formation Is Strictly Dependent on TNF Signaling — PMC
Neutrophil killing of Mycobacterium abscessus by intra- and extracellular mechanisms — PMC
Clinical case report — spinal infection with bilateral psoas abscesses treated with NPWT — PMC
Medzhitov (2008) — cross-referenced
Fate 9
Cancer (Oncogenesis) — chronic inflammation and DNA damage. Framed conservatively: chronic inflammation is a recognized contributing factor in a meaningful subset of cancers — not a cause of cancer generally, and never a diagnosis, prevention, or treatment claim.
Coussens, L.M. & Werb, Z. — Inflammation and cancer — Nature, 2002 — foundational
Mantovani, A. et al. — Cancer-related inflammation — Nature, 2008 — foundational
Balkwill, F. & Mantovani, A. — Inflammation and cancer: back to Virchow? — cited across multiple reviews
Crosstalk between DNA Damage and Inflammation in the Multiple Steps of Carcinogenesis — International Journal of Molecular Sciences, 2017
Inflammation-Driven Genomic Instability: A Pathway to Cancer Development — PMC, 2025
Chronic inflammation-related DNA damage response: a driving force of gastric cardia carcinogenesis — PMC
Meira, L.B. et al. — DNA damage induced by chronic inflammation contributes to colon carcinogenesis in mice — Journal of Clinical Investigation, 2008
The Pivotal Role of DNA Repair in Infection Mediated-Inflammation and Cancer — Frontiers in Microbiology, 2018
Link between chronic inflammation and human papillomavirus-induced carcinogenesis — PMC
Interplay between inflammation and cancer — ScienceDirect

BioTerrain & the Five Domains

It is the internal environment — termed BioTerrain — that decides the fate of inflammation. In other words, it is not inflammation itself but the environment it is in that decides the fate of inflammation, ultimately disease.
Claude Bernard — milieu intérieur (1854–1878) — LITFL Medical Eponym Library — historical origin of the internal-environment concept
From Claude Bernard to Walter Cannon: Emergence of the concept of homeostasis — Progress in Neuro-Psychopharmacology & Biological Psychiatry
Internal environment — Wikipedia, well-sourced overview
Milieu Intérieur — ScienceDirect Topics overview
Paget, S. (1889) — ‘seed and soil’ hypothesis — referenced across multiple modern reviews
Microenvironment Determinants of Brain Metastasis — PMC
Tumor microenvironment and radioresistance — PMC
Soil and Seed: Tumor Microenvironment Nurtures Immunotherapy Resistance — International Journal of Molecular Sciences, 2025
Small changes in rhizosphere microbiome composition predict disease outcomes — PMC — parallel evidence outside human medicine
Medzhitov (2008) — cross-referenced
BioTerrain can be evaluated and optimised under 5 interconnected domains.
The new field of Network Physiology: redefining health and disease — Physiological Measurement, IOP Publishing
Network Physiology: Mapping Physiological Networks in Health and Disease — The Physiological Society, 2025
Decrypting network physiology for clinical practice — Frontiers, 2026
The New Frontier of Network Physiology: Integrated Organ Network Interactions — Springer Nature
Network physiology in exercise: multisystem responses to physical training — 2025
A Framework for the Time- and Frequency-Domain Assessment of High-Order Interactions — arXiv
Complexity-loss theory in ageing/disease — cross-referenced, Statement 1
McEwen’s allostatic load model — cross-referenced, Statement 2

Domain: Bioenergetics

Bioenergetics includes the efficiency of 4 energy production pathways and metabolic flexibility: 1) The Phosphagen System (ATP-CP), 2) Anaerobic Glycolysis, 3) Glucose Oxidation, 4) Fatty Acid Oxidation.
Metabolic Flexibility as an Adaptation to Energy Resources and Requirements in Health and Disease — Endocrine Reviews, Oxford Academic, 2018
Loss of Metabolic Flexibility in the Failing Heart — PMC
Exploring the cellular network of metabolic flexibility in the adipose tissue — PMC
Simulating Metabolic Flexibility in Low Energy Expenditure Conditions — PMC
The Basic Energy Systems — university physiology textbook, Pressbooks, 2025
Interaction among Skeletal Muscle Metabolic Energy Systems during Intense Exercise — PMC
The Three Metabolic Energy Systems — IDEA Health & Fitness Association
8.3 Phosphagen System (ATP-CP System) — California State University open textbook
Muscle V̇O2-power output nonlinearity across exercise protocols — PMC
2025 systematic review/meta-analysis on exercise and PGC-1α/mitochondrial biogenesis — cross-referenced, Statement 1 domain research

Domain: Recovery Capacity

Recovery Capacity includes Sleep architecture (quantity & quality) and Cardiopulmonary reserve (Rate-Pressure Product [RPP], Heart Rate Recovery [HRR], etc.).
Sleep physiology, pathophysiology, and sleep hygiene — Progress in Cardiovascular Diseases, 2023
Strengthening recovery, enduring sleep: sleep quantity/quality/architecture in athletes — European Journal of Applied Physiology, 2026
Systematic Review, Meta-Analysis on the Effects of Carbohydrates on Sleep — PMC
Sleep architecture and pain experience in persistent low back pain — PMC, 2025
Sleep architecture in older adult ICU survivors — PMC
Sleep disturbances in anorexia nervosa — PMC, meta-analysis
Sleep quality in the chronic stage of concussion and recovery — medRxiv
Cole, C.R. et al. — Heart-Rate Recovery Immediately after Exercise as a Predictor of Mortality — New England Journal of Medicine, 1999
Heart Rate Recovery Assessed by Cardiopulmonary Exercise Testing: Relationship with Prognosis — International Journal of Environmental Research and Public Health, 2023
Prognostic impact of peak oxygen uptake and heart rate reserve — PMC
Cardiopulmonary Fitness and Heart Rate Recovery as Predictors of Mortality — Journal of the American Heart Association
Rate pressure product and myocardial oxygen supply/demand in end-stage kidney disease — PMC
The association of rate pressure product (RPP) and myocardial perfusion imaging findings — PubMed
The Rate-Pressure Product as an Index of Myocardial Oxygen Consumption — Circulation, AHA — classic validation study
Rate Pressure Product as a Determinant of Physical Fitness in Normal Young Adults — ResearchGate
Rate pressure product overview — Taylor & Francis Knowledge & References
Besedovsky et al. — sleep-immune crosstalk — cross-referenced

Domain: Structural Integrity

Structure includes the quantitative, qualitative, and locational properties of body tissues — bones, muscles, organs, and fat. Ratios such as VAT/SAT are emerging as an early marker for evaluating metabolism and an individual’s propensity to disease. Others in the list: Android-to-Gynoid fat ratios, lean-vs-fat mass ratio and distribution, and cellular hydration.
Association between VAT/SAT ratio and inflammatory markers/cardiovascular risk — PMC, Pró-Saúde Study
Association Between Visceral and Subcutaneous Adipose Depots and Incident CVD Risk Factors — Circulation, AHA, Framingham Heart Study
Abdominal Visceral and Subcutaneous Adipose Tissue Compartments — Circulation, AHA, Framingham Heart Study
Estimation of the Impact of Abdominal Adipose Tissue on Metabolism Disorders — PMC, 2024
Sex-Specific Differences in Visceral and Subcutaneous Adiposity Accumulation — PMC, 2025
Visceral Adipose Tissue Quality and its Impact on Metabolic Health — Journal of Clinical Endocrinology & Metabolism, Oxford Academic, 2024
Importance of Android/Gynoid Fat Ratio in Predicting Metabolic and CVD Risk — Journal of Obesity, Wiley, 2014
Android Fat Depot Is More Closely Associated with Metabolic Syndrome than VAT — PLOS One
Android Fat Deposition and Cardiovascular Risk Factors in Overweight Young Males — Frontiers in Physiology, 2026
A Population-Wide Assessment of Decrease in Intracellular Hydration with Age — meta-analysis, NHANES data
Intracellular Water Content in Lean Mass, Muscle Strength, and Frailty — PMC
Extracellular Water and Phase Angle as Markers of Heightened Inflammatory State — PMC, 2025
Indirect estimates of cellular hydration in older adults — European Review of Aging and Physical Activity, 2026
DXA parameters, Trabecular Bone Score and BMD in fracture risk prediction — PMC
Biomarkers of bone health and osteoporosis risk — PubMed
Proteomic Biomarkers Associated with Low Bone Mineral Density — PMC, systematic review
Analysis of Bone Mineral Density and Associated Risk Factors — PMC
The Influences of Macronutrients on BMD, Bone Turnover Markers, and Fracture Risk — PMC
Effects of exercise on bone mineral density and bone turnover markers — PMC, meta-analysis, 2026
Bone turnover markers (β-CTX, PINP, ALP) in osteoporosis — PMC, 2026
Associations of Skeletal Muscle Mass and Fat Mass With CVD and Mortality — Journal of the American Heart Association, UK Biobank n=356,590
Trajectories of Skeletal Muscle Mass and Fat Mass in Older Japanese Adults — PMC
Low skeletal muscle mass index and all-cause mortality risk — PLOS One, meta-analysis
Skeletal muscle mass and all-cause mortality: CRONICAS Cohort Study — PMC
Low appendicular skeletal muscle mass and mortality risk — Nature Scientific Reports, 2025
Skeletal Muscle Mass as a Mortality Predictor among Nonagenarians and Centenarians — PMC
Value of appendicular skeletal muscle mass to total body fat ratio (ASM/TBF) in predicting obesity — PMC
Li et al. (2022) — metabaging cycle — Journal of Cachexia, Sarcopenia and Muscle, cross-referenced

Domain: Transport

Transport includes absorption, circulation, perfusion, and detoxification.
Physiology of Glymphatic Solute Transport and Waste Clearance from the Brain — Physiology, American Physiological Society
Aging of the Vascular System and Neural Diseases — PMC
Network-driven anomalous transport in brain microvascular dysfunction — PMC
AngioMT: in silico platform for oxygen transport through microvascular networks — PMC
Intestinal barrier permeability: gut microbiota, nutrition, and exercise — Frontiers in Physiology, 2024
Gut microbiota, intestinal permeability, and systemic inflammation — Internal and Emergency Medicine, Springer Nature, 2023
The Intestinal Barrier and Current Techniques for Assessment of Gut Permeability — PMC
Regulation of Intestinal Permeability in Health and Disease — ScienceDirect, 2025
The Influence of Nutrition on Intestinal Permeability and the Microbiome — PMC
Intestinal barrier permeability review (exercise-induced heat stress and hypoxia) — PMC, 2024
Regulation of Coronary Blood Flow in Health and Ischemic Heart Disease — PMC
Coronary flow reserve and cardiovascular outcomes: systematic review and meta-analysis — European Heart Journal, Oxford Academic
Levy, M.N. — The Cardiac and Vascular Factors That Determine Systemic Blood Flow — Circulation Research, AHA — classic reference
Quantification of microcirculatory blood flow in murine models of sepsis — PMC
Physiology, Cardiovascular — StatPearls, NCBI Bookshelf
Microcirculatory monitoring in septic patients: Where do we stand? — Medicina Intensiva
Janotka & Ostadal — Biochemical markers for clinical monitoring of tissue perfusion — PMC
What is new in microcirculation and tissue oxygenation monitoring? — Journal of Clinical Monitoring and Computing
End organ perfusion and pediatric microcirculation assessment — PMC
Barrett, E.J. & Owusu — Impaired microvascular perfusion and insulin resistance — American Journal of Physiology–Endocrinology and Metabolism, cross-referenced
Xenobiotic Metabolism — ScienceDirect Topics, academic reference chapter
Phase I and Phase II biotransformation reactions — Deranged Physiology, clinical/critical-care education resource
The Role of Phase I and Phase II Metabolic Pathways in Pharmacokinetics — Journal of Pharmaceutical Reports, 2024
Detoxification: Phase I and Phase II Detox Genes — Genetic Lifehacks, commercial — explanatory only

Domain: Regulation

Regulation includes cellular communication channels — Hormones, Neurotransmitters, Autonomic balance, Cytokines, and Electrolytes.
Neuroendocrine Interactions in the Immune System — PMC, NIH
Neuro-Immune Crosstalk: Molecular Mechanisms, Biological Functions, Diseases, and Therapeutic Targets — PMC, 2026
Neuro-endocrine-immune regulation of metabolic homeostasis — ScienceDirect, 2025
Systemic Regulation of Cancer Development by Neuro-Endocrine-Immune Signaling Network — Frontiers in Cell and Developmental Biology, 2020
Neuroendocrine regulation of inflammation — PMC
A review of complex hormone regulation in thyroid cancer — Frontiers in Endocrinology, 2024
Growth Hormone(s), Testosterone, IGF, and Cortisol: Roles and Integration with Exercise — PMC
Thyroid hormone: sex-dependent role in nervous system regulation and disease — PMC
Physiology, Endocrine Hormones — StatPearls, NCBI Bookshelf
Chapter 7 Endocrine Alterations — NCBI Bookshelf
Endocrine Signaling — Clinisciences reference
Cellular, synaptic, and network effects of chemokines in the CNS — PMC
Neuronal-Immune Cell Units in Allergic Inflammation in the Nose — PMC
A Review on Neurotransmitters: Dopamine & Serotonin — peer-reviewed
Neurotransmitter dysregulation in depression, anxiety, and suicidality — ScienceDirect, 2026 — notes ‘chemical imbalance’ theory is now considered oversimplified
A focus on the assessment of autonomic function using heart rate variability — PMC, 2026
Heart rate variability over the decades: a scoping review — PMC
Heart rate variability: a multidimensional perspective, brain-heart axis — Frontiers in Cardiovascular Medicine, 2025
Gang, Y. & Malik, M. — Heart Rate Variability Analysis in General Medicine — PMC, foundational clinical reference
Comprehensive autonomic nervous system evaluation in stroke patients — PMC, 2026
Roles of HRV in Assessing Autonomic Nervous System in Functional GI Disorders — PMC, systematic review
Understanding the shortcomings of HRV as a tool for autonomic analysis — Frontiers in Physiology, 2026 — limitations, included deliberately
Cellular Communication Networks Mediated by Microglia in Ischemic Stroke — PMC, 2026
Tangram of Sodium and Fluid Balance — PMC
Electrolyte Imbalances and Metabolic Emergencies in Obesity — PMC, 2025
Electrolytes — StatPearls, NCBI Bookshelf, NIH
Potassium, magnesium, and electrolyte imbalance in disease management — PubMed
SARS-CoV2 Infection and the Importance of Potassium Balance — PMC
25.3A: Sodium, Electrolytes, and Fluid Balance — Medicine LibreTexts
Electrolyte Disorders: Understanding, Diagnosis, and Management — open access educational overview
© 2026 Centre for Optimum Health. All rights reserved. This page compiles the scientific literature informing the BioTerrain Framework, presented as an integrative conceptual model — not a claim of a new, independently validated biomedical construct.