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Leading Harvard Doctor: The Shocking Link Between Your Diet ADHD & Autism!

If enjoyed this episode with Chris Palmer , I recommend you check out my conversation with Dr. Aditi Nerurkar, which you can find here: https://www.youtube.com/watch?v=FN0_ow76hU8 00:00 Intro 02:17 The Painful Reason Why I Became a Psychiatrist 06:24 The Health System Is Failing Us 11:33 Who Are the People You Want to Help? 19:04 Are We Seeing More Mental Health Issues Because It’s Being Spoken About More? 24:05 What's Causing This Mental Health Epidemic? 27:27 The Cutting-Edge Research on the Link Between Metabolism and Mental Health 31:55 How Is the Mitochondria Crucial in Fixing Mental Health Issues? 39:00 How Does the Mitochondria Relate to Trauma? 44:08 What's Happening in Our Bodies When We Experience Trauma? 47:10 How Does a Change in Metabolism Cause a Mental Health Disorder? 56:36 What Role Does Diet Play in Our Mental Health? 01:00:45 The Foods We Should Be Eating for Good Mental Health 01:09:29 A Surprising Case Study From Your Practice 01:17:16 The Benefits of the Keto Diet 01:20:13 How Does Fasting Help Our Mental Health? 01:25:04 Caffeine and the Mitochondria 01:29:09 What's Causing the Rise in Autism and ADHD? 01:37:56 What Was It Like Living With Your Depressed Mum? 01:42:23 The Last Guest's Question Follow Chris: Twitter - https://bit.ly/3Sw7Fqj Instagram - https://bit.ly/47MPuCb You can purchase Chris’s book, ‘Brain Energy: A Revolutionary Breakthrough in Understanding Mental Health’, here: https://amzn.to/3tUyPyQ Get tickets to The Business & Life Speaking Tour: https://stevenbartlett.com/tour/ Follow me: https://beacons.ai/diaryofaceo Sponsors: Huel Greens: https://my.huel.com/DiaryofaCEOJan24 Eightsleep: https://www.eightsleep.com/uk/steven/ CODE: STEVEN (save $150 on the Pod Cover) Linkedin Ads: https://www.linkedin.com/doac24

Chris PalmerguestSteven Bartletthost
Jan 25, 20241h 46mWatch on YouTube ↗

CHAPTERS

  1. 0:00 – 3:30

    Opening claim: Metabolic health and the rise of autism

    The clip opens with Palmer stating that maternal obesity and diabetes massively increase autism risk and arguing that autism’s rapid rise cannot be explained by genetics alone. This sets up the central theme: something fundamental in our environment and metabolism has gone wrong, fueling both neurodevelopmental and mental health epidemics.

    • Maternal obesity doubles autism risk; maternal diabetes doubles it; having both quadruples risk.
    • Autism rates have quadrupled in 20 years, far too fast for a purely genetic explanation.
    • Palmer hints that metabolic dysfunction in parents is a key, overlooked cause.
    • He asserts that these are actionable facts, not abstract statistics—we can change course today.
  2. 3:30 – 12:00

    Palmer’s personal story and mission

    Palmer explains how his mother’s severe, lifelong psychotic illness and his own decades of depression, OCD, and suicidality drove him into psychiatry, initially in anger at the field’s failures. Her tragic story, memorialized in his book’s dedication, fuels his mission to find better solutions for the millions like her.

    • His mother developed severe depression, suicidality, and psychosis after family trauma and never recovered despite treatment.
    • She lost custody of her eight children, financial stability, and support, living with chronic psychosis.
    • Palmer left home before finishing high school and struggled with chronic depression, suicidality, and OCD.
    • His frustration with psychiatry’s inability to help them motivated him to become a psychiatrist and seek better answers.
    • He dedicates his book to his mother, framing his work as a lifelong attempt to save others from similar devastation.
  3. 12:00 – 28:00

    The state of global mental health and treatment failures

    Palmer outlines a bleak picture: mental disorders are increasing worldwide across almost every category, while treatment efficacy has plateaued. He details poor remission rates for depression and schizophrenia and raises ethical concerns about policies labeling mental illnesses ‘terminal’ and allowing assisted suicide.

    • About 1 billion people had a mental or substance use disorder in 2017; rates have risen further post‑COVID.
    • Autism rates have quadrupled, ADHD and pediatric bipolar diagnoses have exploded, and depression has hit record highs in Gallup data.
    • First‑line antidepressants produce full remission in only about 30% of patients; many remain symptomatic even after multiple treatments.
    • Large schizophrenia study: only 4% achieved full remission with good functioning.
    • Canada is moving to allow assisted suicide for ‘treatment‑resistant’ mental illness; the UK uses ‘terminal’ labels for some eating disorders.
    • Palmer stresses he does not oppose effective current treatments but insists we must address those they fail.
  4. 28:00 – 37:00

    Are we just diagnosing more? Why prevalence is genuinely rising

    Responding to the idea that mental illness hasn’t grown but is merely recognized more, Palmer argues that frontline evidence contradicts this. Teachers, ER clinicians, and mortality data all show real surges in severe symptoms and ‘deaths of despair,’ not just better labeling.

    • Veteran teachers report far more tantrums, self‑harm, anxiety, and behavioral crises now than 30 years ago.
    • Emergency rooms, especially pediatric, are overwhelmed by suicidal and psychotic youth; they are often boarded for lack of beds.
    • U.S. suicide rates have increased ~30% in 20 years; ‘deaths of despair’ (suicide, overdose, alcohol) have doubled.
    • Palmer dismisses the idea that past suicides or deaths were simply unrecognized: mortality is reliably recorded.
    • He concludes that something in our environment and lifestyle has changed dramatically for the worse.
  5. 37:00 – 51:00

    Introducing the metabolic and mitochondrial model of mental illness

    Palmer proposes that chronic brain‑based mental disorders are fundamentally metabolic disorders of the brain, centered on mitochondria. He explains metabolism in simple terms, then shows how mitochondrial dysfunction can unify disparate findings on neurotransmitters, hormones, inflammation, gut microbes, stress, and trauma.

    • Metabolism is the process of turning food and oxygen into energy and cellular building blocks.
    • When this process goes wrong, cells malfunction; in the brain, that malfunction appears as mental symptoms.
    • Mitochondria, the ‘powerhouses of the cell,’ are the primary sites of energy production and many other regulatory functions.
    • Mitochondria influence gene expression, inflammation, neurotransmitter systems, and even responses to stress and trauma.
    • Genetic studies show no ‘single‑disorder’ genes; most risk genes increase vulnerability across multiple disorders and tend to affect metabolism and mitochondria.
    • Mitochondria offer a scientific bridge between biological findings and psychological experiences like poor resilience or inability to ‘get over’ trauma.
  6. 51:00 – 1:15:00

    How trauma and chronic stress damage metabolism and the brain

    Using concrete examples, Palmer walks through how traumatic events trigger immediate metabolic changes and, if unresolved, lead to cellular disrepair. He distinguishes normal survival reactions from pathological states, showing how persistent hyper‑arousal can eventually degrade brain circuits into diagnosable mental illness.

    • Acute trauma activates fight‑or‑flight via sympathetic nervous system, cortisol, adrenaline, increased blood glucose, inflammation, and altered epigenetics.
    • The brain encodes powerful memories of life‑threatening events to protect survival, whether or not the physical outcome was good.
    • In unresolved trauma, the system stays ‘on’; metabolic resources are diverted from cell maintenance to defense.
    • Mechanistically, stress granules sequester mRNA needed for routine repair, so cells accumulate damage over time.
    • Once brain cells are in disrepair, circuits can become hyper‑excitable, leading to panic attacks, chronic anxiety, attention problems, or other disorders—now true brain malfunction, not just a normal stress response.
    • Palmer emphasizes that this process is reversible: with the right interventions, damaged cells can be repaired and symptoms can remit.
  7. 1:15:00 – 1:41:00

    Diet, ultra‑processed food, and mental illness

    Palmer challenges the psychiatric status quo that dismisses diet as irrelevant to mental health. Drawing on epidemiology, animal studies, and his own experience reversing metabolic syndrome and improving his mood with a low‑carb diet, he argues that what we eat profoundly shapes brain metabolism and mental outcomes.

    • Most clinicians (Palmer estimates ~95%) consider the idea that diet significantly affects mental illness to be laughable.
    • He contends that a deep reading of neuroimaging, genetics, neurotransmitter, hormone, and trauma research supports a metabolic model of mental disorders.
    • Diet is a major determinant of metabolism; ultra‑processed, high‑sugar, high‑fat, chemically dense foods impair mitochondrial function.
    • Palmer himself developed metabolic syndrome (high blood pressure, cholesterol, pre‑diabetes) on a low‑fat, processed diet despite exercising.
    • Switching to a low‑carbohydrate diet resolved his metabolic syndrome in three months—and his depression and OCD improved dramatically, revealing a ‘version’ of himself he didn’t know was possible.
    • Animal models show that obesogenic diets lead to obesity, diabetes, and also higher depression and anxiety behaviors.
  8. 1:41:00 – 1:50:00

    Case study: Reversing chronic schizophrenia with a ketogenic diet

    Palmer presents the powerful case of Doris, who endured 50 years of treatment‑resistant schizophrenia and severe obesity. After adopting a ketogenic diet originally prescribed for weight loss, her psychotic symptoms remitted, she came off medications, lost massive weight, and maintained recovery for 15 years.

    • Doris developed schizophrenia at 17 after a traumatic upbringing and had daily hallucinations and delusions for decades despite many medications.
    • She became severely obese (330 lbs) and repeatedly attempted suicide between ages 68 and 70.
    • At 70, she was referred to a weight‑loss clinic using a ketogenic diet; within two weeks her psychotic symptoms sharply decreased.
    • Within months, her hallucinations and delusions were in full remission; over about six months, she tapered off all psychiatric drugs.
    • She lost ~150 lbs, remained symptom‑free and medication‑free, and lived to 85, dying of COVID pneumonia, not mental illness.
    • Palmer links her improvement to known effects of ketogenic diets: anti‑seizure properties, changes in neurotransmitters, decreased inflammation, altered gut microbiome, epigenetic changes, and, above all, improved mitochondrial function.
  9. 1:50:00 – 1:58:00

    How ketogenic diets and fasting reshape brain metabolism

    Going deeper into mechanisms, Palmer explains how ketogenic diets and fasting mimic one another metabolically. By shifting the body to fat‑derived ketones and improving mitochondrial function, these interventions can normalize dysfunctional circuits in epilepsy and, by extension, some psychiatric conditions.

    • The ketogenic diet was invented over 100 years ago specifically to stop seizures; it remains an evidence‑based epilepsy treatment.
    • In treatment‑resistant epilepsy, about one‑third of patients become seizure‑free on a ketogenic diet, another third have major reductions.
    • Critically, many can discontinue the diet after 2–5 years without seizure recurrence, suggesting true brain healing.
    • The diet forces the liver to convert fat into ketone bodies, which become an alternative brain fuel and signaling molecules.
    • Ketones enhance mitochondrial function, change neurotransmitter balance, reduce inflammation, modify gene expression, and alter the gut microbiome.
    • Fasting produces similar metabolic and mitochondrial effects but is limited by the risk of starvation; ketogenic diets were designed to safely mimic fasting’s brain benefits.
  10. 1:58:00 – 2:05:00

    Fasting, sugar, caffeine, and other metabolic levers

    Palmer discusses fasting’s potential benefits and caveats, and addresses common dietary substances like sugar and caffeine. He frames these inputs as accelerators or brakes on cellular metabolism, useful in moderation but damaging when chronically overused in an already unhealthy metabolic environment.

    • Fasting can be highly beneficial for metabolism and mental health, but is unsafe for underweight individuals, those with eating disorders, or severe weight loss from illness.
    • Fasting and ketogenic diets both improve insulin sensitivity, mitochondrial function, neurotransmitters, and the gut microbiome.
    • Chronic high sugar intake drives oxidative stress and mitochondrial dysfunction, especially in people already metabolically compromised.
    • Only about 7% of Americans have no metabolic health problems; most need to limit sugar and ultra‑processed foods to protect mitochondria.
    • Caffeine blocks adenosine receptors, stimulating cells and increasing energy; in moderation it can enhance alertness, but overuse can cause oxidative stress and dysregulation.
    • Palmer likens excessive stimulants or depressants (caffeine, alcohol, marijuana) to flooring a car’s accelerator and brake simultaneously, ultimately harming the system.
  11. 2:05:00 – 2:20:00

    Metabolism, autism, ADHD, and rising neurodevelopmental disorders

    Responding to parents’ concerns, Palmer links rising rates of autism and ADHD to mitochondrial and metabolic dysfunction, particularly in parents. He emphasizes that obesity and diabetes in mothers and fathers markedly increase autism risk, and suggests that lifestyle interventions may mitigate risk and improve outcomes for children.

    • The mitochondrial theory of autism was proposed in 1985; research since then strongly links mitochondrial dysfunction to autism.
    • Autism rates have quadrupled in 20 years, implying powerful environmental/metabolic drivers rather than purely genetic ones.
    • Maternal obesity doubles autism risk; maternal diabetes doubles it; having both quadruples risk. Paternal obesity also doubles risk.
    • Palmer stresses this is not about fat‑shaming but recognizing that obesity and diabetes reflect underlying metabolic and mitochondrial problems.
    • Environmental factors like ultra‑processed food, pesticides, microplastics, and ‘forever chemicals’ further disrupt metabolism.
    • COVID and infections during pregnancy may further increase neurodevelopmental risk; early childhood interventions focused on sleep, clean diet, reduced screen time, strong human connection, and minimal unnecessary medications may help.
    • He urges parents to avoid quick fixes like sleep pills in kids and to prioritize routines and behavioral strategies instead.
  12. 2:20:00

    Palmer’s childhood with a psychotic mother and his own recovery

    Near the end, Palmer shares the emotional reality of living with his severely ill mother, becoming homeless, and losing the ability to cry for two decades. He contrasts that with his eventual transformation and uses his story to reinforce a core message of hope for those who feel beyond help.

    • Living with his mother’s severe depression, suicidality, and psychosis felt like existing in an ‘oppressive cloud of despair.’
    • He cried himself to sleep for months, then emotionally shut down, unable to cry for ~20 years.
    • He became suicidal himself, attempted suicide several times, and was convinced he would not live to 20.
    • He now sees his life as proof that profound change is possible even after years of hopelessness.
    • In answering a closing question, he says he wants to be known as someone who had fully given up on himself, yet recovered—and as a signal that others in that position can, too.

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