Episode 169: Your Body Is Still Running a Trauma Response — Here Is Why

"What defines trauma is what happened inside of us — whether it caused a physiological response." — Dr. Aimie Apigian

When the nervous system enters a trauma response and cannot complete it, it stores that response as ongoing physiology — driving chronic illness, dysregulation, and fatigue decades later. 

Dr. Aimie Apigian walks through the five physiological steps into stored trauma. She covers what the 1998 ACE study documented about childhood adversity and adult chronic disease; and the biological interventions — magnesium, adrenaline discharge, zinc — that give the nervous system what it needs to re-organize and update.

You have done everything right. The therapy. The supplements. The breathwork. The body still has not caught up.

This is not a discipline problem. When the nervous system enters a trauma response and cannot complete it, it stores that response as ongoing physiology. Not memory. Active biology — running in your sleep, your blood sugar, your overreactions, your chronic conditions that arrived out of nowhere.

Dr. Aimie Apigian has been studying this mechanism since her own body stopped responding to what was supposed to help. The body moves through five specific physiological steps on the way into stored trauma. The ACE study documented that childhood adversity predicts cancer, heart disease, and autoimmunity in adulthood. The nervous system explains the mechanism.

What looks like anxiety, fatigue, or dysregulation is the body doing exactly what it was organized to do. The nervous system kept the record. This episode explains what it recorded — and what the nervous system actually needs next to begin to change it.

Key Takeaways

• Trauma is defined by whether the body had a trauma response — and whether it had the biological capacity to resolve that response at the time. Two people can experience the same event. What differs is the body's internal resources — its capacity to complete the stress response without crossing into stored trauma. The question shifts from how bad was it, to what did the body do with it — and what did it have available at the time to complete that response.

  
  

• The nervous system moves through five specific physiological steps into stored trauma: startle, stress, the wall, freeze, and shutdown — each a biological escalation of the body's survival programming. Recognizing which step the nervous system is currently running is the starting point. The sequence tells you where the body is — and what it needs to move through rather than hold.

  
  

• Adrenaline is produced not only by perceived danger but by copper excess, zinc deficiency, caffeine, intermittent fasting, and light exposure — sources most people never connect to their nervous system state. Undischarged adrenaline accumulates and pushes the nervous system toward a trauma response even when no real threat exists. Managing the biology of adrenaline production is one of the most overlooked entry points into stored trauma work.

  
  

• Stored trauma produces four recognizable patterns in the nervous system: disconnection and escape, immobilization and stuckness, energy depletion, and dysregulation. These patterns are the body's survival adaptations. The nervous system produced them because they worked — they kept the person functioning inside conditions that were more than the biology could process at the time.

• Survival strategies are rational biological responses to stored physiology — not failures of willpower, character, or consistency. Emotional eating, creating drama, procrastination, conflict — the body produced these patterns to find temporary relief from what it was holding. The question shifts from why does this person keep doing this, to what is the body trying to move away from.

  
  

• True resilience is the physiological capacity to take a stress response to its full arc and complete it — remaining ready, staying grounded when destabilized, and recovering without the response becoming stored trauma. Many people were praised as children for behaviors that looked like resilience but were the capacity to suppress their own needs. That suppression, sustained over decades, produces the chronic conditions that bring people to this work.

• Magnesium deficiency is one of the most common biological contributors to stored trauma accumulation in the Western world — and the body under chronic stress depletes it faster. In Dr. Aimie's study, participants doing somatic therapy exercises alone — without magnesium — showed a 30% reduction in depression, 26% less physical pain, and 28% more energy. When magnesium was added, those results improved further.

In This Episode You'll Learn:

[00:00] Why do you keep struggling even when you have done so much to feel well?

[03:28] What is the biological definition of trauma — and why does the event matter far less than the body's response?

[05:09] How does the nervous system store a trauma response — and why does incomplete trauma physiology persist in the body?

[09:53] What are the five physiological steps the body takes into a trauma response?

[15:54] Why does carrying stored trauma cost so much energy?

[17:54] What is the ACE study — where did it begin and what does it reveal about childhood and adult chronic illness?

[26:00] What are the four patterns of stored trauma — and what is a survival strategy actually doing?

[33:47] What is true resilience — and why does being praised for resilience sometimes mean the opposite?

[40:37] What can you actually do about adrenaline — zinc, magnesium, movement, lentils, specific supplements?

[45:29] What is the biological connection between stored trauma and disrupted sleep — and what drives it?

Notable Quotes

Dr. Aimie Apigian

Clinical 

— On adrenaline as a hidden biological driver: "Our nervous system is so refined that it is going to create the exact amount of adrenaline to the degree of the problem that we perceive."

— On stored trauma and metabolic function: "The more trauma burdened down in the nervous system, the more our insulin resistance develops."

— On what false resilience actually looks like: "Resilience is being able to stay with the stress response and complete the stress response so that it doesn't become a trauma response."

Insightful 

— On what a coping mechanism is actually doing: "This is the definition of a coping mechanism — it provides momentary relief but comes at a cost."

Educational 

— On where trauma is stored: "Trauma gets stored in the nervous system because our nervous system is what determines our responses to anything around us."

Episode Takeaway

When the nervous system stores a trauma response it cannot complete, it keeps running that response — reorganizing every subsequent reaction, every physical symptom, every chronic condition around keeping the person safe from what it learned to expect.

There is a sentence I hear regularly from people who come to this work, and it stays with me: I have done everything. I have been to therapy. I take the supplements. I watch what I eat. I exercise. And still something is not right. Still the anxiety is there. Still the energy is not there. Still the reactions happen that I regret.

What this episode is trying to give that person is a map — not so that understanding it changes anything, because it will not — but so they stop working harder at the wrong level. They manage the cortisol without addressing what is making the adrenaline. They process the memory without completing the physiological response that the memory is attached to. They build insight without building the biological capacity the nervous system needs to actually shift.

The ACE study told us that what happened in childhood predicts what happens in adult health. What the Biology of Trauma^® framework adds is the mechanism: the nervous system is still running the stored trauma response it built to survive those experiences. It is not doing this on purpose. It is doing it because that is what it was organized to do — and nothing has yet given it the biological experience of safety it needs to update that organization.

If this episode gave you language for something your body has been trying to tell you for a long time — the free guide Steps to Identify and Heal Trauma is in the show notes. It has a quiz that will help you recognize the patterns of stored trauma in your own life, your relationships, and your physical health. That is the first step. Recognize. Then we can look at the reasons. And then we begin to build the conditions for repair.

Resources/Guides:

• Free Guide: Steps to Identify and Heal Trauma by Dr. Aimie Apigian A quiz-based guide to help you recognize the patterns of stored trauma in your life, your relationships, and your physical health.

• Book: The Biology of Trauma by Dr. Aimie Apigian — Chapter 1 covers the five physiological steps of the trauma response. Chapter 9 covers the four patterns of stored trauma. Chapter 12 covers the Biology of Trauma^® framework and the essential sequence.

• Program: Foundational Journey^®— A six-week online process working directly with the nervous system. Builds the biological foundation of safety that has to come first before anything else can hold.

Related Podcast Episodes:

• Episode 69 — How Attachment Shapes Our Biology and Behavior

• Episode 135 — The Hidden Difference Between Stress and Trauma In How The Body Keeps Score

• Episode 146 — How Attachment Affects Us for Life: 6 Childhood Pains and How to Repair

Your host: Dr. Aimie Apigian is a double board-certified physician in Preventive and Addiction Medicine, author of the national bestselling book The Biology of Trauma (foreword by Gabor Maté) and the founder of the Biology of Trauma^® framework that transforms our understanding of how the body experiences and holds trauma. She holds master's degrees in biochemistry and public health. After foster-adopting a child during medical school sparked her journey, she desperately sought for answers that would only continue as she developed chronic health issues. Through her Biology of Trauma^® practitioner training, podcast, YouTube channel, and international speaking, Dr. Aimie bridges functional medicine, attachment science, and trauma therapy — with a focus on facilitating accelerated repair of trauma's impact on the mind, body, and biology.

Why Your Body Is Holding Trauma — And What the Nervous System Actually Needs to Let It Go

You have tried. You have done the therapy. Read the books. Changed your diet. Done the breathing exercises. And something still feels like it has not moved. The anxiety is still there. The fatigue does not respond to sleep. The reactions happen — the ones you regret — and afterward you cannot explain why they were so big. The chronic health condition that appeared out of nowhere is still there.

This episode of the Biology of Trauma^® podcast is Dr. Aimie Apigian’s direct answer to that person. The person who knows trauma affects health — and is still stuck. What is actually happening in their biology. Where the disconnect is. And what the nervous system needs that it has not yet been given.

What Is the Biological Definition of Trauma?

Trauma is defined by whether the body had a trauma response — and whether it had the biological capacity to complete and resolve that response at the time.

This is one of the most important reframes in Dr. Aimie’s clinical framework. Two people can experience the same event. One person’s body goes into a full trauma response. The other person’s does not. What separates them is the body’s internal resources — its biological capacity to complete the stress response without crossing into the trauma response.

The result of this reframe is that the conversation shifts entirely. We stop asking: was that traumatic? We start asking: did your body have a trauma response — and at the time, did it have what it needed to resolve that response? Most people do not know how to resolve a trauma response in the moment. The body holds it. It shows up for years or decades afterward in ways that have no obvious connection to the original experience.

What Are the Five Physiological Steps of a Trauma Response?

The body moves through startle, stress, the wall, freeze, and shutdown — a sequential escalation of survival programming, each step building on the last.

The startle is the entry point. The nervous system picks up a sensory cue — something seen, heard, felt, or sensed — and kicks into high gear to assess whether danger is real. If the body concludes yes, it escalates into stress physiology: adrenaline, fast heart rate, heightened cognition, cells and mitochondria producing surge energy. This is the body at its strongest.

If the stress response cannot resolve the problem — if trying harder becomes useless — the body hits the wall. This is the shift from high energy to helplessness. It marks entry into the trauma response. The freeze follows: the sympathetic system still running while the body throws on the emergency brake of the vagus nerve, producing the paralysis of shock. Then, because the body cannot sustain both simultaneously, it drops into shutdown — the lowest energy state, characterized by shame, heaviness, and the impulse to disappear.

What stays after the experience passes is the biological residue of this sequence: the emergency brake that never fully released, the energy conservation mode that persists, the guard that went up and never came back down.

Where Does the Body Store Trauma — and How Does It Show Up in Physiology?

Trauma is stored in the nervous system as an incomplete survival response, emerging in physiology as overreaction, underreaction, blood sugar dysregulation, and immune disruption. 

The nervous system governs every physiological response — emotional, behavioral, and biological. Stored trauma changes how the nervous system responds to everything.

This shows up as overreaction — responses that are larger than the situation warrants. It shows up as underreaction — not responding to situations that deserve a response, allowing boundaries to be crossed without objection. And it shows up in physiology: blood sugar dysregulation, insulin resistance, immune dysregulation, digestive dysfunction, skin reactions, migraines, and fatigue.

Dr. Aimie’s example is precise: when a person with stored trauma anticipates a stressful family gathering, their body begins physiologically preparing before they have even left the house. Rashes appear. Migraines begin. The gut shifts. The nervous system is doing exactly what it was organized to do — protecting the person from the environment it has learned to expect. The physiology is a survival response doing its job.

The Adverse Childhood Experiences (ACE) study — conducted by Dr. Vincent Felitti at Kaiser Permanente’s Department of Preventive Medicine in San Diego and published in 1998 — documented this relationship at scale. Felitti’s original observation came from patients in an obesity clinic who were losing weight and then dropping out of the program — not because they were failing, but because losing weight removed the protection that weight provided against what early adversity had made intolerable. Every subsequent analysis of the ACE data has found that higher adversity scores predict higher rates of cancer, heart disease, diabetes, autoimmunity, depression, addiction, and premature mortality.

What Are the Four Patterns of Stored Trauma?

Chronic stored trauma produces four patterns in the nervous system: disconnection and escape, immobilization, energy depletion, and dysregulation — each a biological survival adaptation. 

Disconnection and escape is the oldest pattern — the body trying to move away from what it is carrying. Survival strategies live here: emotional eating (which activates the vagus nerve through swallowing and stomach distension, providing a documented neurological calming effect), creating drama to generate the adrenaline that masks the heavier shutdown state underneath, procrastination, conflict, substances, screen time. The body produced these patterns because it was doing exactly what it was built to do: find relief from what it was carrying.

Immobilization is the pattern of feeling stuck — unable to move forward in areas of life where the stored trauma has left the nervous system in freeze. Energy depletion is the cost of maintaining constant hypervigilance and running the emergency brake in the background simultaneously. Dysregulation is the volatility: reactions that do not match the stimulus, emotions that arrive too fast or not at all, a nervous system that never settles into the calm-alive baseline where genuine rest and repair occur.

What Is Resilience in Biological Terms?

True resilience is the physiological capacity to take a stress response to its full arc and complete it — without the response becoming stored trauma. 

Dr. Aimie makes an important clinical distinction here. Many people were praised as children for being resilient — for not complaining, for adapting quickly, for not causing problems. What they were actually being praised for was their capacity to suppress their own needs in service of the adults around them. That suppression, sustained over decades, produces exactly the chronic health conditions that bring people to her clinic.

True resilience involves three capacities: readiness (maintaining enough physiological resource to respond when something arrives), groundedness (the ability to stay connected to self when destabilized), and stamina (the biological reserves to sustain a stress response all the way through to completion). When any of these is missing, the stress response that begins does not complete — and the body carries it forward as stored trauma.

What Does the Nervous System Need to Process Stored Trauma?

Adrenaline discharge, magnesium adequacy, sleep quality, and targeted supplementation are the biological infrastructure the nervous system needs to process stress without accumulating it. 

Adrenaline is produced not only in response to perceived danger but in response to copper excess, zinc deficiency, caffeine, intermittent fasting, artificial light exposure, and chronic low-grade stressors. When adrenaline is not discharged through movement and specific foods (lentils bind and support adrenaline metabolism), it accumulates. Accumulated adrenaline pushes the nervous system toward a trauma response regardless of whether any real threat is present.

Magnesium is involved in over 30,000 biochemical reactions daily. It is one of the most common deficiencies in the Western world — and the body under chronic stress depletes it faster. In Dr. Aimie’s study, participants doing somatic trauma therapy exercises alone — without magnesium — showed a 30% reduction in depression, 26% less physical pain, and 28% more energy. When magnesium was added, those results improved further. The biology produces more when the body is resourced. 

Supplements that support adrenaline and cortisol regulation — phosphatidylserine (which blocks cortisol’s disruptive effects) and theanine (which blocks adrenaline’s receptor activation) — offer targeted biological support for a nervous system running too hot to sleep, to rest, or to repair. These are the biological conditions that make the deeper nervous system work possible.

How Do You Begin Addressing Stored Trauma in the Body?

Addressing stored trauma follows a sequence: recognize the patterns, identify the biological reasons, then build the conditions the nervous system needs to repair. 

The free guide Steps to Identify and Heal Trauma includes a quiz that walks through the patterns of stored trauma in your life, your relationships, and your physical health. It is the starting point for recognizing what the body has been holding.

Chapters 1, 9, and 12 of ‘The Biology of Trauma’ go deep into the five physiological steps, the four patterns, and the Biology of Trauma^® framework that gives those patterns a sequence for repair.

The Foundational Journey® is where the nervous system work begins — building safety first, so that everything else the body needs to do has the biological foundation to hold.

FAQ

What does it mean that trauma is stored in the nervous system?

Trauma is stored in the nervous system as an incomplete physiological response — a survival sequence the body started but could not finish — that continues to run in the background. When a trauma response is not resolved at the time, the body carries it forward as stored physiology. This shows up as overreaction, underreaction, physical symptoms, and the chronic conditions the ACE study documented at scale.

What are the five steps of a trauma response?

The five physiological steps are: startle (the nervous system assessing danger), stress (adrenaline-driven mobilization), the wall (the moment action cannot resolve the problem), freeze (simultaneous sympathetic activation and vagal brake), and shutdown (the low-energy survival state). The problem arises when these steps remain active and incomplete after the threat has passed — when the emergency brake stays on and the body continues living in survival energy rather than repair energy.

Why do I have chronic health conditions if I haven’t had major trauma?

Chronic conditions related to stored trauma often develop years after the original experiences. The ACE study documented that adverse childhood experiences predict higher rates of cancer, heart disease, autoimmunity, and depression in adulthood. The mechanism is the stored trauma response running continuously, disrupting immune regulation and cellular repair. Many people do not connect their history because they were using an event-based definition of trauma rather than a response-based one.

What is the difference between stress and a trauma response?

Stress is a high-energy state that believes action will resolve the problem. A trauma response begins when the body concludes action cannot resolve it — crossing from stress physiology into freeze and shutdown. When a stress response succeeds, adrenaline discharges and the body returns to baseline. When it hits the wall of helplessness, it crosses into trauma physiology — and the freeze and shutdown that follow cost significant energy to maintain.

What is resilience in biological terms?

True resilience is the physiological capacity to ride the full arc of a stress response without crossing into a trauma response — requiring readiness, groundedness, and the biological stamina to complete the response. Pushing through without resolving the stress response means accumulating stored trauma rather than completing and releasing it. True resilience means the body has enough capacity to take the stress response to its high point and complete it.

Why does magnesium matter for stored trauma?

Magnesium participates in over 30,000 daily biochemical reactions, including energy production and nervous system regulation. Under chronic stress, the body depletes it faster. In Dr. Aimie’s study, participants doing somatic therapy exercises alone — without magnesium — showed a 30% reduction in depression, 26% less physical pain, and 28% more energy. Adding magnesium improved those results further. For people with stored trauma, magnesium deficiency creates a biological bottleneck that limits what the nervous system can do.

Helpful Research

• Felitti, V.J., Anda, R.F., Nordenberg, D., Williamson, D.F., Spitz, A.M., Edwards, V., Koss, M.P., & Marks, J.S. (1998). Relationship of childhood abuse and household dysfunction to many of the leading causes of death in adults: The Adverse Childhood Experiences (ACE) Study. American Journal of Preventive Medicine, 14(4), 245–258.

• Tarleton, E.K., Littenberg, B., MacLean, C.D., Kennedy, A.G., & Daley, C. (2017). Role of magnesium supplementation in the treatment of depression: A randomized clinical trial. PLOS ONE, 12(6), e0180067.

• Boyle, N.B., Lawton, C., & Dye, L. (2017). The effects of magnesium supplementation on subjective anxiety and stress — a systematic review. Nutrients, 9(5), 429.

Foundational Research Underpinning the Biology of Trauma^® Framework

• Porges, S.W. (2011). The Polyvagal Theory: Neurophysiological Foundations of Emotions, Attachment, Communication, and Self-Regulation. W. W. Norton & Company. Source of the polyvagal theory foundational to Dr. Aimie’s explanation of the five-step trauma response — specifically the freeze step, in which the vagal brake is applied simultaneously with sympathetic activation.

•  Naviaux, R.K. (2014). Metabolic features of the cell danger response. Mitochondrion, 16, 7–17. Research on the cell danger response underpinning Dr. Aimie’s framework for how stored trauma affects mitochondrial energy production — directly relevant to the energy depletion pattern of stored trauma.

Disclaimer: By listening to this podcast, you agree not to use this podcast as medical, psychological, or mental health advice to treat any medical or psychological condition in yourself or others. This podcast is for informational and educational purposes only and does not constitute professional advice, diagnosis, or treatment. Always consult your own physician, therapist, psychiatrist, or other qualified health provider regarding any physical or mental health issues you may be experiencing.

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