The New School Of Nutritional Medicine

The Anatomy of ‘Burnout’: Why it happens and what you can do about it

‘Burnout’ isn’t just ‘being fatigued’, it is a whole-body ‘shutdown’ that happens when the nervous system, mind, and physiology can not keep up with the demands we (or others) place on us. Think of it as your body saying, ‘We have been running on fumes for too long now. It is time to stop’.

 

Why ‘burnout’ occurs

Psychologist Herbert Freudenberger first coined the term ‘burnout’ in the 1970s, describing it in healthcare workers who gave everything to others and left nothing for themselves. Today, burnout is everywhere, from students, mothers, old and new, entrepreneurs, and even retired grandparents.

At its root, burnout happens when chronic stress overrides the body’s natural cycles of effort and recovery. Trauma researcher Dr. Gabor Maté reminds us that many of us don’t simply ‘choose’ overwork, we are conditioned by early experiences to suppress our needs, seek approval, or survive in environments that reward achievement but not rest.

Dr. Bessel van der Kolk (author of The Body Keeps the Score) shows us that unprocessed trauma doesn’t disappear, it lodges in the nervous system, leaving us hyper-vigilant or hyper-independent, unable to switch off, and often dissociated from our body’s cues.

Put simply, ‘burnout’ is the body’s way of enforcing boundaries we never learned to hold.

 

Woman holding a hand-drawn image of a smile over her mouth, looking tired with heavy black makeup around her eyes

Everyday faces of burnout:

The A star student

She always sits in the front row, hand raised before the question is even finished. Her test scores are top of the class, and her extracurriculars leave no time for socials. On the outside, she’s an ‘ideal student’, but on the inside, she is haunted by a fear that ‘if I am not perfect, I’m not enough’.

This type of burnout begins early, the nervous system is wired to stay on high alert, striving, achieving, never resting. Over time, the cost shows up as anxiety, sleepless nights, and exhaustion that no weekend ‘lie-in’ can fix.

The child with pushy parents

The child whose parents had dreams they never fulfilled, so they live them through their child. Every grade is scrutinised and every mistake magnified. The child grows into a young adult who can not rest without guilt, who feels a heavy weight even when trying to rest. This isn’t about school performance. It is about identity and the belief that worth is conditional, tethered to productivity.

The nurse who retrained

He thought leaving his 9-to-5 job would free him from ‘burnout’. He dreamed of flexible hours, working with passion, and finally owning his time. But now? He is working until midnight, glued to his laptop, circadian rhythm wrecked by blue light. Instead of freedom, he is more shackled than ever, this time to his own ambition.

Here, ‘burnout’ hides behind good intentions. Passion alone can not override physiology. The body still needs rhythm, rest, and nourishment.

The new mom

She does not ask for help or show any weakness. She became hyper-independent to prove herself years ago, and now she carries that same weight into motherhood. The baby cries, the laundry piles, the partner watches helplessly, but she refuses to let go, ‘I’ve got it’, she says, even as her body says otherwise. Burnout here is not just exhaustion; it is disconnection from self, from her partner, even from the joy of motherhood.

The interfering mother-in-law

She is in her sixties, her health not what it used to be, yet she can’t stop cooking enough food for the whole neighbourhood. People-pleasing is her love language, the way she keeps herself relevant and needed. But the truth? Her body is worn out. Her giving is endless, but the nourishment she needs for herself is absent.

This is the ‘burnout’ of over-giving, when the need to be seenas helpful, overrides the body’s craving for rest.

The grieving grandparent who can’t say no

Since losing her partner, she has stepped into the role of ever-available caregiver. Every school run, every afternoon babysitting session, every request, she say yes. The house is full of her grandchildren’s toys, but the evenings are empty. By nightfall, she collapses into bed, drained but unable to sleep deeply.

This kind of ‘burnout’ often hides under grief. Caretaking becomes a way to feel needed, to avoid loneliness, to keep the mind occupied. But the body can not sustain endless output without replenishment. The ‘silent’ collapse each night is the nervous system’s way of saying, ‘enough’.

Illustration of the nervous system showing sensory signals, brain, autonomic signals, motor signals, and spinal cord

Different ages, different life stages but the patterns repeat:

  • The overachiever who is striving for perfection and terrified of failure.
  • The people-pleaser who is endlessly giving, afraid to disappoint.
  • The hyper-independent who refuses help, carrying it all alone.
  • The grieving caretaker who fills the emptiness with ‘overdoing’.

‘Burnout’ arises from strategies that once helped you to survive, but which, over time, become unsustainable. Dr. Bessel van der Kolk has written a book called ‘The body keeps the score’ and burnout is that ‘score card’ catching up with us.

If you see yourself in these stories, remember you are not alone, and ‘burnout’ is not a personal failing; it is the body’s alarm system.

The physiology of ‘burnout’: what is happening in the body

On the surface, lives look different, but underneath, the body tells the same story from a dysregulated HPA axis (aka silent exhaustion) to complete collapse.

‘Burnout’ is not just ‘in your head’, it is in your nervous system, your hormones, your minerals, and your mitochondria (the cell danger response). When stress is chronic, the body shifts from short bursts of resilience into a long, slow unravelling.

 

Want to know more about the cell danger response? Read more in our blog…

THE CELL DANGER RESPONSE

 

The nervous system is stuck in survival mode

At its root, burnout is about nervous system dysregulation.

  • In the beginning, the body runs on adrenaline with that sharp focus, late-night productivity, endless to-do lists, you know the drill.
  • Over time, the system gets ‘stuck on’ in fight-or-flight mode when cortisol rises and sleep suffers, and the body can start to show physical symptoms, but you ignore them, or don’t even notice them.
  • Eventually, the body crashes, the cortisol starts to ‘flatline’. It is like the system flips into freeze mode, this is exhaustion that usually comes with a sense of disconnection.

Dr. Gabor Maté reminds us that many of us override our body’s cues because early life taught us to suppress our needs. Burnout is not just about stress today; it is about nervous systems wired to keep going even when they should slow down and reset.

 

Hormones and circadian rhythm: the cortisol roller coaster ride

Diagram illustrating cortisol

A healthy body has a natural cortisol rhythm. The cortisol spikes in the morning, known as the cortisol awakening response (CAR), to wake us, gently dropping through the day, and lowest at night. In burnout, that curve flattens…BUT it takes a whole lot of ‘stuff’ before it flattens, with a whole lot of signals from the body before it flattens.

So what do we see as nutritional therapists and psychological coaches in the adrenal stress If you have ever been told, ‘your blood tests are normal’, not ‘normal’ or not yourself, then you have already discovered one of the reasons functional testing has become so popular. Functional tests are designed to provide additional information about how the body is functioning. They may explore areas such as hormones, digestion, nutrient status, fatty acids, the microbiome, genetics, metabolism, or stress physiology. Think of them as gathering more pieces of the health puzzle, ideally before a dis-ease ‘shows up’.  Sadly, most people turn to functional tests, once they have a dis-ease. Referenced in 34 articlesClick to read more →?

  • Morning cortisol is too low , which makes it hard to get out of bed and coffee becomes a lifeline.
  • Afternoon is flat , which can feel or look like brain fog, energy crashes, irritability. You either want to have a long nap or an IV drip of glucose!
  • Evening is skewed, which leads to that ‘wired but tired’, scrolling at midnight, sleep disrupted, and then your nervous system ‘thinking’ is it safe to sleep?

At the same time, DHEA, the hormone that balances and buffers cortisol, often drops. Without DHEA, resilience plummets. It is like running a car without suspension, in that every bump reverberates through the whole system.”

Minerals: some burnout patterns on a Hair Tissue Mineral Analysis

One of the clearest pictures of burnout comes from Hair Tissue Mineral Analysis (HTMA).

We often see:

  • All four macro minerals are low: calcium, magnesium, sodium, and potassium. A bit like a battery drained on every level.
  • Vitality ratio depleted whch is the Na/K (sodium-potassium) ratio
  • No toxic metals showing, not because they are absent, but because the body doesn’t have the capacity to circulate or excrete them. Instead, they are quietly dumped into fat tissue, the body’s ‘spare room’ for storage.

These patterns are key, especially for clients who feel disconnected from their physical bodies. For them, seeing the data helps validate that what they’re experiencing is real and that it reflects a chronic pattern shaped by poor lifestyle habits, whether nutritional, emotional, or environmental.

 


 

Learn how we integrate functional testing as a core part of our 2-year diploma journey

MORE ON FUNCTIONAL TESTS

 


 

Mitochondria: the energy factories slow down

Mitochondria are the tiny powerhouses in each cell. Under chronic stress, they shift from energy production into defence mode. Instead of fuelling the body, they slow down

Illustration of an animal cell

Metabolism is not a calorie-burning furnace that sits somewhere near your belly button, deciding whether you can fit into last year's jeans. Metabolism is the set of chemical processes taking place inside your body every second of every day, keeping you alive.Referenced in 35 articlesClick to read more → to protect against ongoing stress. Energy that should go into clear thinking, digestion, and repair is diverted into ‘survival wiring’ and the result being profound fatigue, brain fog, poor exercise tolerance, and even sensitivity to light, sound, or food.

And let’s remember, mitochondria are not just energy factories; they are also light processors. They use both food and the photons from sunlight to generate energy efficiently. Without morning sunlight, circadian rhythm goes ‘off kilter’, and mitochondria lose their ‘compass’. Without rhythm, energy production falters.

This is why you may feel in burnout, no amount of sleep, coffee, or willpower makes a difference.

 

Nutrition: stress robs nutrients

Chronic stress doesn’t just exhaust the mind, it ‘burns’ through nutrients at lightning speed:

  • Magnesium is drained by cortisol and adrenaline and low levels of magnesium can worsen anxiety and sleep issues.
  • Zinc is depleted by stress and low zinc impairs immunity, impacts hormonal balance, think ‘unexplained’ fertility issues, skin repair, and mood balance.
  • B vitamins are burned fast in stress states, as they are used to make hormones such as adrenaline, as well as to make ATP. Deficiencies in B vitamins show up as fatigue, irritability, poor focus, neuropathy, heart palpitations, cracks in the corners of the mouth, to name a few.
  • Protein is one of the three main macronutrients, alongside fats and carbohydrates, yet for many years it was often the forgotten member of the trio. More recently, protein has become something of a celebrity in the nutrition world, appearing in everything from snack bars and cereals to coffee and desserts. Whilst the marketing can sometimes get a little carried away, the truth is that protein is essential for human health. Every cell in the body relies on it. Protein helps build and repair tissues, supports immune function, forms enzymes and hormones, transports nutrients, and helps maintain muscle mass, particularly as we age.Referenced in 35 articlesClick to read more → and blood sugar stability created by skipping meals, sugar spikes, and caffeine dependency further destabilise the metabolic system.

Without replenishment, the stress cycle becomes self-perpetuating: more stress means fewer nutrients which means less resilience which results in chrenic burnout.

 

Summary of some of the functional tests for burnout and what we see:

  • HTMA (Hair Tissue Mineral Analysis)
    • All low macro minerals (Ca, Mg, Na, K)
    • Low vitality ratios (Na/K, Ca/K)
    • Hidden toxic metals (stored in fat, not circulating)
  • Adrenal stress test (hormones)
    • Flat cortisol curve
    • Low DHEA
    • Melatonin often suppressed/low which leads poor sleep
  • Organic acids
    • Low B vitamins metabolites
    • Imbalanced neurotransmitter metabolites (dopamine, serotonin)
  • Bloodwork
    • Low ferritin (iron storage)
    • Low vitamin D
    • Subclinical thyroid changes (something that is missed in standard blood tests)

 

Thyroid test image showing a sample in a test tube with results in the background

 

These are some functional tests that help paint a more unique picture as to what needs addressing. Not everyone who has burnout, has the same imbalances. However, burnout is a system that has been pushed past capacity and is now running on empty.

Burnout is not the end, it is the body’s ‘call’ to rebuild differently. The mindset that brought you here cannot be the one that leads you out.

 

 

How to start rebuilding from burnout

Recovery from burnout is not about ‘bouncing back’. It is about rebuilding differently, at the level of the nervous system, psychology, physiology, and daily life.

Step 1: Nervous system care

  • Small pauses: 2 minutes of slow breathing or a walk.
  • Somatic resets: stretching, shaking, humming.
  • Polyvagal connection: safe relationships, music, or pets.

Step 2: Psychological healing

Ask/journal on…

  • Why does rest feel like laziness?
  • Why do I push past exhaustion?
  • Why can’t I say no?

Psychological coaching helps rewire these patterns and restore boundaries

Step 3: Nutrition for resilience

  • Protein-rich breakfasts to anchor blood sugar
  • Magnesium for calm and sleep
  • Zinc and B vitamins to rebuild neurotransmitter balance.
  • Whole-food carbs for steady energy
  • Electrolytes to restore mineral balance
  • Cell salts, also known as tissue salts or biochemical salts, were developed by the German physician Dr Wilhelm Schüßler in the 19th century. They are prepared from naturally occurring mineral compounds and are used in highly diluted doses to support the body's ability to utilise and regulate minerals. The twelve original cell salts include familiar minerals such as calcium, magnesium, potassium, sodium, iron, and silica, each traditionally associated with different tissues and functions within the body.Referenced in 24 articlesClick to read more → to support minerals

Step 4: Functional tests

  • Use HTMA, DUTCH, Organic Acids and gut testing to track recovery
  • Blood work for vitamin D, ferritin, thyroid
  • Testing helps you see progress even before you feel it fully

Step 5: Life design

  • Boundaries remember ‘no’ is a complete sentence
  • Rest rhythms protect your downtime
  • Ask for help, it is about connection, not weakness.
  • Redefine success as in less about the ‘doing more, more’ and more about doing what matters.

Burnout asks you to slow down, nourish lovingly, live differently, not trapped in survival mode, but ‘moving’ rhythmically (think circadian) that supports you.

As Dr. Bessel van der Kolk says, ‘healing requires a restoration of the relationship between the body and the self’. Burnout recovery is exactly that, finding your way back safety and to yourself.

 

To health!

From the team at the New School Of Nutritional Medicine

Learn about the Founder & Principal of the New School of Nutritional Medicine, Dr Khush Mark PhD, HERE.

 

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