TDG Clinical Suite

v1.0 · Allostatic Load

Allostatic Load &
Total Burden Assessment

The body does not separate stressors by category. Chronic work pressure, relationship tension, pharmaceutical burden, social ostracism, and inherited trauma load the same biological systems — the HPA axis, the immune system, mitochondrial function, and the nervous system.

This assessment maps ten domains of allostatic burden. Where other clinical tools ask what is wrong, this asks why has the terrain become so compromised — and applies Liebig's Law: recovery is limited by the domain under greatest strain, regardless of how well all others are managed.

Client Details

Name

Date

Age

Primary Complaint

The Story (in their words — what do they believe is at the root?)

Physical Load

Sleep debt, overtraining, caloric restriction, and circadian disruption are physiologically equivalent stressors — all activate the HPA axis, deplete cortisol reserves, and suppress immune function through identical neuroendocrine pathways.

Chronic sleep debt or consistently poor sleep quality

Sleep deprivation of even 6hrs/night for two weeks produces cognitive impairment equivalent to 48hrs total sleep deprivation. IL-6 and TNF-α rise measurably after a single night of poor sleep.

Overtraining or excessive exercise without adequate recovery

Overreaching syndrome elevates cortisol, suppresses testosterone and LH, and drives systemic inflammation — physiologically indistinguishable from chronic psychological stress at the HPA level.

Chronic caloric restriction or history of significant dieting

Sustained caloric deficit >15% suppresses T3 production (reverse T3 rises), reduces leptin, and triggers metabolic adaptation that persists for years after restriction ends (Hall et al, NEJM, 2016 — The Biggest Loser study).

Circadian disruption — shift work, irregular schedule, or significant jet lag history

Circadian misalignment disrupts cortisol pulsatility, melatonin production, and immune cycling. Night shift workers have significantly elevated cancer, metabolic syndrome, and mood disorder risk.

Chronic pain as an ongoing physiological stressor

Persistent pain independently elevates cortisol, disrupts sleep architecture, and drives neuroinflammation through substance P and CGRP pathways — creating a self-perpetuating allostatic spiral.

Sedentary lifestyle — less than 30 minutes movement per day

Physical inactivity is an independent inflammatory driver. Sitting for >8hrs/day elevates CRP, IL-6, and TNF-α independently of exercise habits. Movement is the body's primary lymphatic pump.

Physical Load Score0 / 10

Chemical & Toxic Load

The total body burden of pharmaceutical agents, environmental chemicals, heavy metals, and recreational substances. Each depletes glutathione, competes for cytochrome P450 detoxification capacity, and adds to the cumulative load the liver must process.

Long-term pharmaceutical use (3+ months, any medication)

Every pharmaceutical has drug-nutrient interactions. PPIs deplete B12, magnesium, zinc. Statins deplete CoQ10. Antidepressants deplete B vitamins and folate. Polypharmacy creates combinatorial depletion effects that are rarely assessed.

Regular alcohol consumption (more than 7 units/week)

Alcohol depletes zinc, B1, B6, folate, and magnesium. It disrupts the gut microbiome, impairs liver phase II detoxification, and suppresses deep sleep — loading four separate biological systems simultaneously.

Significant environmental chemical exposure (pesticides, plastics, cleaning products, air quality)

Organophosphate pesticides inhibit acetylcholinesterase. BPA and phthalates from plastics are endocrine disruptors measurable at nanomolar concentrations. Indoor air pollution from synthetic materials typically exceeds outdoor air pollution.

Amalgam dental fillings, root canals, or suspected cavitations

Dental amalgam releases mercury vapour with chewing, heat, and abrasion. The WHO has no safe level of mercury exposure. Mercury preferentially accumulates in neural tissue and competes with selenium at deiodinase enzymes, impairing T4→T3 conversion.

Recreational substance use (cannabis, stimulants, MDMA, or other)

Each substance has specific nutritional and neurochemical costs: cannabis depletes dopamine receptor density with regular use; MDMA depletes serotonin transporter function; stimulants chronically elevate cortisol and deplete catecholamine precursors.

Mould or water-damaged building exposure (past or present)

Mycotoxins from water-damaged buildings suppress immune function, disrupt the gut microbiome, and generate systemic inflammation in genetically susceptible individuals (HLA-DR haplotypes, ~25% of population). Exposure often continues unrecognised for years.

Chemical Load Score0 / 10

Microbial & Immune Tolerance

The Old Friends hypothesis (Rook, 2003) proposes that immune calibration requires continuous microbial exposure throughout life — not just in childhood. Loss of this exposure through antibiotic use, over-sanitisation, or isolation removes the immunological challenge the system needs to remain calibrated.

Multiple antibiotic courses (3+ in lifetime, especially in adulthood)

A single broad-spectrum antibiotic course reduces gut microbiome diversity by 30–50%. Full recovery takes 6–12 months and is rarely complete. Repeated courses produce cumulative dysbiosis that directly compromises immune regulation.

Extended period of social isolation or dramatically reduced social/physical contact

The Old Friends hypothesis extends beyond environmental microbes to social microbial exchange. Loss of daily physical contact with diverse individuals removes a continuous source of microbial challenge that calibrates mucosal and systemic immunity. Lockdown periods represent a historically unprecedented natural experiment in immune tolerance loss.

Highly sanitised environment — excessive hand washing, antibacterial products, minimal outdoor/nature exposure

Mycobacterium vaccae and other environmental microbes found in soil measurably reduce anxiety and inflammation via serotonergic pathways. Urban, indoor-focused lifestyles eliminate this constant low-level immunological education.

C-section birth or formula feeding (foundational microbiome impact)

Vaginal delivery inoculates the infant with maternal Lactobacillus. Breastfeeding delivers human milk oligosaccharides that selectively feed Bifidobacterium. Missing either creates measurable microbiome differences that persist into adulthood and affect immune regulation.

Long-term PPI or antacid use (suppresses stomach acid and upper GI microbial balance)

Gastric acid is the primary barrier to oral-to-gut bacterial transit. PPI use is the single greatest risk factor for SIBO. Long-term acid suppression also impairs absorption of B12, iron, zinc, magnesium, and calcium.

Microbial Tolerance Score0 / 10

Psychosocial Burden

Perceived social threat activates identical neuroimmune pathways to physical threat. Loneliness independently elevates IL-6 and CRP to the same degree as smoking 15 cigarettes per day. The immune system does not distinguish between the source of threat.

Significant relationship stress — primary partnership, family, or close relationships

Hostile marital interactions produce measurable blister wound healing delay of 40% and cytokine elevations that persist for hours. Relationship quality is one of the strongest predictors of all-cause mortality in longitudinal studies.

Social isolation, loneliness, or meaningful disconnection from community

Holt-Lunstad's meta-analysis (2015, n=3.4 million) found social isolation increases mortality risk by 29% — greater than obesity. Loneliness activates threat-appraisal brain networks and elevates inflammatory markers independently of all other lifestyle factors.

Ongoing financial stress or significant economic insecurity

Financial stress creates a uniquely chronic threat state — unlike acute stressors, it rarely resolves overnight. Persistent financial worry independently predicts elevated cortisol awakening response and accelerated telomere shortening.

Unresolved grief or significant loss (bereavement, relationship, identity, role)

Bereaved spouses show 41% increased mortality in the first six months. Grief activates the same neural pain circuits as physical injury. Complicated grief generates prolonged HPA activation that is biologically indistinguishable from PTSD.

Work stress, occupational burnout, or significant role/purpose conflict

Job strain (high demand + low control, Karasek model) is independently associated with a 23% increased risk of myocardial infarction. Emotional labour — managing displayed emotions against felt emotions — is a particularly depleting occupational stressor.

Caregiving burden for a child, parent, or partner with significant health needs

Caregivers of dementia patients show telomere shortening equivalent to 9–17 additional years of biological ageing. Caregiver cortisol patterns are consistently dysregulated and wound healing is measurably impaired compared to non-caregiving controls.

Psychosocial Score0 / 10

Sociopolitical & Bodily Autonomy

Perceived loss of control over one's body and future is among the most potent activators of the threat response. Coercion, mandate-driven social ostracism, and violation of medical autonomy engage the same amygdala-HPA circuits as physical danger — and when sustained, cause equivalent physiological damage.

Medical coercion or mandate experience — pressure over vaccination, treatment, or procedure against personal judgement

Perceived lack of control is the single most pathogenic aspect of stressful experience, independent of the magnitude of the stressor. Mandates create a uniquely corrosive threat: the agency violation is both intimate (the body) and external (institutional authority). This generates a sense of inescapability that is neurobiologically traumatogenic.

Sustained exposure to threatening government or media health narratives — death, danger, or social exclusion framing

Nocebo research (Benedetti) demonstrates that negative expectation generates measurable physiological harm through the same HPA and autonomic pathways as genuine threat. Repeated exposure to death-framed messaging is a quantifiable chronic stressor. The 2020–2022 media environment constituted, for many people, a continuous nocebo exposure of unprecedented scale and duration.

Social ostracism, exclusion, or discrimination based on health choices, identity, or belief

Social exclusion activates the dorsal anterior cingulate cortex — the same region that processes physical pain. Being excluded from weddings, family gatherings, workplaces, and public spaces is neurobiologically equivalent to physical assault. The threat response does not require physical danger.

Violation of future expectations or life plans — loss of anticipated freedoms, travel, career, or relationships

The psychological concept of "anticipated future loss" generates anticipatory grief with documented HPA activation. When the trajectory of one's life is forcibly altered — career ends, travel stops, relationships fragment due to external mandate — it constitutes a form of disenfranchised grief with no culturally sanctioned mourning process.

Marginalisation, discrimination, or persecution based on race, religion, gender, sexuality, or political view

Perceived discrimination independently predicts elevated allostatic load markers (McEwen, 2015). The chronic vigilance required to navigate a hostile social environment creates a form of sustained threat activation with no off-switch — depleting the same neuroimmune reserves as any other chronic stressor.

Sociopolitical Load Score0 / 10

Epigenetic & Generational Burden

Trauma alters gene expression without changing DNA sequence — and these alterations are transmissible. Yehuda's research on Holocaust survivor offspring demonstrated measurable cortisol dysregulation and glucocorticoid receptor changes in the next generation. The Dutch Hunger Winter studies showed metabolic and immune consequences two generations later.

Adverse Childhood Experiences (ACEs) — abuse, neglect, household dysfunction, or early loss

The original ACE study (Felitti, 1998, n=17,000) showed a dose-response relationship between childhood adversity and adult disease across every category measured — cancer, heart disease, autoimmunity, addiction, depression. An ACE score of ≥4 doubles the risk of heart disease and increases autoimmune disease risk by 100%.

Parental trauma, mental illness, addiction, or severe stress during pregnancy or early childhood

Maternal stress during pregnancy alters foetal HPA axis programming through glucocorticoid receptor methylation. Children of stressed mothers show altered cortisol responses to challenge that persist into adulthood. This is a biological, not just psychological, inheritance.

Family health patterns — recurring illness, early death, or specific conditions across generations

While genetics explain some familial patterns, shared epigenetic programming, dietary patterns, toxic exposures, and psychological templates are often equally significant. Identifying which conditions recur across generations is clinically informative even without genetic testing.

Ancestral major trauma — war, famine, displacement, persecution in grandparents or great-grandparents

Yehuda's Holocaust survivor offspring research (2016) identified differential methylation of FKBP5 — a glucocorticoid receptor gene — in offspring of survivors vs controls. This represents inherited epigenetic programming of the stress response, not imagined cultural inheritance. The Dutch Hunger Winter studies showed metabolic effects persisting to the third generation.

Attachment disruption in early life — inconsistent caregiving, abandonment, or institutionalisation

Secure attachment is the primary regulator of the infant stress response. Inconsistent or absent attunement creates hyperactivated threat-detection systems that never fully downregulate. Insecure attachment styles are associated with elevated CRP and IL-6 in adulthood through measurable pathways.

Epigenetic Burden Score0 / 10

Relational Contagion & Shared Stress

Emotional and physiological states are transmissible between co-habiting individuals through mirror neuron activation, HPA axis sympathetic entrainment, behavioural synchrony, and shared cortisol environments. You do not need to experience a stressor directly to carry its biological cost.

Co-habiting with a chronically stressed, anxious, or unwell partner or family member

Gottman's research established that partners in high-conflict relationships show synchronised cortisol elevations during and after arguments. More subtly, chronic shared stress environments create coordinated HPA dysregulation in both members without any explicit conflict — through sleep disruption, behavioural modelling, and limbic resonance.

Workplace emotional contagion — absorbing colleagues' stress, negativity, or fear

Emotional contagion is a measurable phenomenon: facial expressions, vocal prosody, and body language trigger automatic physiological mimicry in observers. Open-plan offices, high-intensity work environments, and healthcare settings are particularly high-contagion environments. The mechanism is subcortical and largely pre-conscious.

Sustained vicarious trauma — witnessing or supporting someone through severe illness, crisis, or suffering

Vicarious traumatisation produces neurobiological changes in helpers and witnesses that are qualitatively similar to direct trauma — including intrusive imagery, hypervigilance, and HPA dysregulation. Healthcare workers, caregivers, and therapists are particularly vulnerable. This is a biological cost, not a character weakness.

Being a primary absorber of others' health anxiety, catastrophising, or fear

Anxiety is the most contagious emotional state — more readily transmitted than positive affect. Living with or regularly interacting with health-anxious individuals creates sustained threat-priming in the nervous system of the caregiver or support person, often without conscious awareness of the transfer.

Relational Contagion Score0 / 10

Nocebo Burden & Threat Narrative Exposure

The nocebo effect — harm generated by negative expectation — operates through the same CCK, cortisol, and autonomic pathways as genuine physiological threat. Benedetti's research demonstrates that knowing you are receiving a harmful substance generates measurable biological damage before any direct chemical effect. Chronic exposure to threat-framed information is a chronic nocebo.

Chronic exposure to threatening health or death-focused media, news, or social content

The amygdala does not distinguish between threat on a screen and threat in the room. Repeated fear-activating news cycles maintain chronic amygdala activation, suppress prefrontal cortical function, and maintain cortisol at sub-threshold but continuously elevated levels. Television news is optimised for amygdala capture — not accurate risk communication.

Negative prognosis, catastrophising language, or fear-based communication from a medical authority

The most potent nocebo delivery system is a white coat. "You'll need to be on this medication for life," "Your condition will deteriorate," or "There's nothing more we can do" — delivered by a credible authority — generate measurable biological harm beyond the information content. Informed consent must account for this.

Active participation in health anxiety communities — online forums, social media groups focused on illness

Symptom reporting and catastrophising are socially reinforced in illness-focused communities. The act of repeatedly narrating and elaborating illness experiences maintains neurological threat-activation patterns and prevents the cognitive updating needed for recovery. Nocebo transmission in these environments is rapid and bidirectional.

Sustained expectation of illness or strong belief that recovery is unlikely

The predictive processing model of illness (Clark, Friston) proposes that the nervous system actively generates symptoms consistent with its predictions. A well-established belief in illness becomes a self-fulfilling biological prediction — not through imagination, but through measurable top-down modulation of interoceptive and immune signals.

Nocebo Burden Score0 / 10

Iatrogenic Burden

Harm caused by medical treatment is the third leading cause of death in the US and a significant but unmeasured contributor to chronic illness globally. Every pharmaceutical has a side effect profile. Every investigation has psychological costs. Medical encounters themselves can be traumatogenic. Iatrogenic burden is rarely assessed and never subtracted from "treatment benefit."

Adverse drug reactions, medication side effects, or significant pharmaceutical harm

The Yellow Card system in the UK captures less than 10% of adverse drug reactions. Paracetamol (acetaminophen) is the leading cause of acute liver failure in the developed world — an over-the-counter medication taken as directed. The therapeutic index of many common medications is narrower than standard prescribing implies.

Medical trauma — difficult hospital experiences, misdiagnosis, or feeling dismissed or harmed by the medical system

Medical encounters with high threat, loss of control, and pain meet the DSM criteria for potentially traumatic events. PTSD following ICU admission, cancer diagnosis, or obstetric complications is measurable and prevalent — yet rarely screened for in subsequent medical contacts. The harm is real and has downstream biological consequences.

Diagnostic harm — anxiety generated by incidental findings, false positives, or over-investigation

A positive screening test result generates measurable anxiety that persists even after a subsequent all-clear. The nocebo cost of over-investigation is real — studies of false-positive mammography show elevated cancer anxiety at 3 years in women who received and then cleared a false positive. Investigation has psychological costs independent of physical findings.

Long-term consequences of past surgical procedures, anaesthesia, or medical interventions

General anaesthesia produces measurable cognitive dysfunction (POCD — post-operative cognitive dysfunction) that persists for months in a significant minority of patients. Surgical disruption of fascial planes, lymphatics, and microbiome barriers has lasting functional consequences that are rarely attributed to the original procedure in subsequent care.

History of being told "there is nothing wrong" or "it's all in your head" when symptoms were real

Dismissal by medical authority is a specific and potent form of harm. It invalidates the patient's reality, delays appropriate investigation, damages the therapeutic relationship, and generates shame around legitimate suffering. This pattern is particularly prevalent in conditions with female-predominant presentation and those that challenge standard biomedical models.

Iatrogenic Burden Score0 / 10

Meaning, Purpose & Existential Load

Viktor Frankl identified meaning as the primary driver of human psychological survival. Without it, even biochemically optimal individuals deteriorate. Conversely, those with strong purpose survive extraordinary physical deprivation. Meaning is not a philosophical luxury — it is a biological regulatory variable with measurable immune and neuroendocrine correlates.

Loss of life meaning, narrative, or sense of direction — not knowing what you're living for

Ikigai research from Okinawa demonstrates that sense of purpose independently predicts all-cause mortality. Ryff's research shows eudaimonic wellbeing (meaning-based) has stronger immune and neuroendocrine correlates than hedonic wellbeing (pleasure-based). Loss of meaning is a physiological stressor, not merely a philosophical inconvenience.

Persistent anhedonia — inability to experience joy, pleasure, or anticipation

Anhedonia is not primarily a psychological symptom — it reflects measurable disruption of the dopaminergic reward system and its immune interactions. Elevated IL-6 and TNF-α independently cause anhedonia through sickness behaviour circuitry. It can be a downstream consequence of inflammatory burden rather than a cause, making it both a signal and a stressor.

Existential uncertainty — profound anxiety about the future, security, or one's place in the world

Uncertainty itself, rather than the content of what is uncertain, is the primary activator of threat-appraisal circuitry. The anterior insula processes uncertainty as a pain-like signal. Sustained existential uncertainty — about one's health, livelihood, or future — maintains chronic low-level activation of the same neural threat networks as physical danger.

Work or lifestyle fundamentally misaligned with personal values, identity, or calling

Cognitive dissonance between lived experience and core values is a measurable stressor. Having to consistently act against one's values — in work, relationships, or self-expression — creates a chronic psychophysiological discordance that correlates with elevated cortisol and reduced heart rate variability independent of workload or hours.

Spiritual disconnection or loss of relationship with something larger than oneself

Transcendence — whether through religion, nature, community, or creative practice — consistently predicts improved immune function, lower inflammatory markers, and greater resilience to adversity across cultures and belief systems. Its mechanism involves the parasympathetic nervous system and oxytocin pathways. Loss of it is a measurable biological deficit.

Meaning & Purpose Score0 / 10

Practitioner Clinical Notes

Integrative clinical impression — what this burden map suggests about sequencing and approach

Total Allostatic Burden Score

Domain Breakdown

Liebig's Law of the Minimum

Just as a barrel can only hold as much water as its shortest stave, recovery capacity is limited by the domain under greatest strain — regardless of how well all others are managed. Your highest-burden domains are the therapeutic priority.

Domain Burden Profile

Priority Sequencing

Intervention order follows allostatic logic — reduce total load in the highest-burden domains first, then optimise biochemistry. Biochemical optimisation in the presence of very high allostatic burden produces diminishing returns.

Language for the Client Conversation

TDG Allostatic Load Assessment v1.0 · detectivehealth.com

This assessment gives clinical language to the invisible stressors that conventional medicine rarely captures. It does not replace biochemical testing — it contextualises it. The domains with the highest burden scores are not weaknesses. They are the places where the body has been asked to carry the most, for the longest time, with the least acknowledgement.

Allostatic Load &Total Burden Assessment