Scientific Citations
Complete research citations from peer-reviewed journals referenced in “Brain Energy” by Dr. Christopher Palmer.
The brain energy theory is built on decades of research from thousands of scientists worldwide. Below are key citations from peer-reviewed journals that support the metabolic approach to mental health. Click on DOI links to access the original papers.
🧠Ketogenic Diet & Schizophrenia
The Ketogenic Diet and Remission of Psychotic Symptoms in Schizophrenia: Two Case Studies
First published peer-reviewed case studies documenting full remission of psychotic symptoms in patients with schizophrenia using the ketogenic diet.
⚡Ketogenic Diet & Epilepsy
Ketogenic Diets for Drug-Resistant Epilepsy
Children with treatment-resistant epilepsy on ketogenic diets are 3x more likely to achieve seizure freedom and 6x more likely to have 50%+ reduction in seizures.
Mitochondrial Biogenesis in the Anticonvulsant Mechanism of the Ketogenic Diet
The ketogenic diet induces mitochondrial biogenesis (creation of new mitochondria), which is part of how it prevents seizures.
How Does the Ketogenic Diet Induce Anti-Seizure Effects?
Review of the multiple mechanisms by which the ketogenic diet prevents seizures, including effects on mitochondria.
🧓Ketogenic Diet & Alzheimer's
Randomized Crossover Trial of a Modified Ketogenic Diet in Alzheimer's Disease
Patients on the ketogenic diet showed improvement in daily function and quality of life compared to those on a low-fat diet.
🍷Ketogenic Diet & Alcohol
Ketogenic Diet Reduces Alcohol Withdrawal Symptoms in Humans and Alcohol Intake in Rodents
The ketogenic diet reduced alcohol withdrawal symptoms in humans and reduced alcohol intake in rodents.
🔗The P-Factor: All Disorders Connected
Exploring Comorbidity Within Mental Disorders Among a Danish National Population
Analysis of almost 6 million people over 17 years found having ANY mental disorder dramatically increases chances of developing ANOTHER mental disorder, with odds ratios of 2-30x across ALL disorders in ALL directions.
All for One and One for All: Mental Disorders in One Dimension
Review finding strong correlations among ALL mental disorders. Not a single risk factor conferred risk for only one disorder - each risk factor increased risk for MANY disorders.
Common Psychiatric Disorders Share the Same Genetic Origin: A Multivariate Sibling Study of the Swedish Population
Genetic study showing common psychiatric disorders share genetic origins.
🔋Mitochondrial Dysfunction in Mental Illness
A Mitochondrial Etiology of Neuropsychiatric Disorders
Editorial from the leading mitochondrial researcher arguing that mitochondrial dysfunction is a cause of neuropsychiatric disorders.
Neuroanatomical Pattern of Mitochondrial Complex I Pathology Varies Between Schizophrenia, Bipolar Disorder and Major Depression
Found mitochondrial complex I pathology in schizophrenia, bipolar disorder, and major depression, with different patterns in different brain regions.
Mitochondrial Dysfunction in Bipolar Disorder: Evidence, Pathophysiology and Translational Implications
Comprehensive review of evidence for mitochondrial dysfunction in bipolar disorder.
A Model of the Mitochondrial Basis of Bipolar Disorder
Proposes a comprehensive model for how mitochondrial dysfunction causes bipolar disorder.
The Role of Mitochondria in Mood Disorders: From Physiology to Pathophysiology and to Treatment
Review of how mitochondria contribute to mood disorders and potential treatments.
⚡Hyperexcitability & Mental Disorders
Differential Responses to Lithium in Hyperexcitable Neurons from Patients with Bipolar Disorder
Neurons from bipolar patients showed hyperexcitability and mitochondrial abnormalities. Lithium reduced the hyperexcitability.
SIRT3 Haploinsufficiency Aggravates Loss of GABAergic Interneurons and Neuronal Network Hyperexcitability in an Alzheimer's Disease Model
Deletion of sirtuin 3 (essential to mitochondrial health) in mice caused mitochondrial dysfunction, hyperexcitability, and seizures.
Chronic Stress Causes Amygdala Hyperexcitability in Rodents
Chronic stress causes hyperexcitability in the amygdala, linking stress to anxiety and PTSD symptoms.
😔Depression & Mitochondria
Mitofusin-2 in the Nucleus Accumbens Regulates Anxiety and Depression-like Behaviors Through Mitochondrial and Neuronal Actions
Rats with anxiety/depression had fewer mitochondria and lower MFN2 levels. Increasing MFN2 levels STOPPED anxiety/depression behaviors.
Acetyl-L-Carnitine Deficiency in Patients with Major Depressive Disorder
Found deficiency of acetyl-L-carnitine (essential for mitochondrial function) in patients with major depression.
Mitochondria and Mood: Mitochondrial Dysfunction as a Key Player in the Manifestation of Depression
Review of how mitochondrial dysfunction contributes to depression.
🥗Diet & Depression
A Randomised Controlled Trial of Dietary Improvement for Adults with Major Depression (the 'SMILES' Trial)
67 people with major depression randomized to Mediterranean diet or social support. After 12 weeks, 32% of diet group achieved remission vs only 8% in control group.
Mediterranean Diet, Stroke, Cognitive Impairment, and Depression: A Meta-analysis
Meta-analysis showing Mediterranean diet is associated with reduced risk of depression, stroke, and cognitive impairment.
⏰Intermittent Fasting & Brain
SIRT3 Mediates Hippocampal Synaptic Adaptations to Intermittent Fasting and Ameliorates Deficits in APP Mutant Mice
Improvements in mood and cognition from intermittent fasting were driven by sirtuin 3 (a mitochondrial protein). When sirtuin 3 was removed, ALL benefits were lost.
Intermittent Metabolic Switching, Neuroplasticity and Brain Health
Review of how intermittent fasting affects brain health through metabolic switching.
💔Mental Illness & Early Death
A Comprehensive Analysis of Mortality-related Health Metrics Associated With Mental Disorders: A Nationwide, Register-based Cohort Study
Study of 7 million people found ALL mental disorders - even mild anxiety or ADHD - shorten lifespan by 7-10 years. Cause is NOT suicide but heart attacks, strokes, diabetes.
Congruencies in Increased Mortality Rates, Years of Potential Life Lost, and Causes of Death Among Public Mental Health Clients in Eight States
People with serious mental disorders die 13-30 years earlier than expected from medical causes, not suicide.
🩺Diabetes & Mental Illness
Endogenous and Antipsychotic-Related Risks for Diabetes Mellitus in Young People with Schizophrenia: A Danish Population-Based Cohort Study
People with schizophrenia are 3x more likely to develop diabetes - and this increased risk exists BEFORE taking any antipsychotic medications.
Depression and Type 2 Diabetes over the Lifespan: A Meta-Analysis
Meta-analysis showing bidirectional relationship: depression increases diabetes risk by 60%, and diabetes increases depression risk 2-3x.
Longitudinal Trends in Childhood Insulin Levels and Body Mass Index and Associations with Risks of Psychosis and Depression in Young Adults
Childhood insulin levels and BMI were associated with risks of both psychosis and depression in young adults - metabolic dysfunction precedes mental illness.
🧪Insulin & Brain Function
Impaired Insulin Signaling in Unaffected Siblings and Patients with First-Episode Psychosis
Impaired insulin signaling found in BOTH patients with first-episode psychosis AND their unaffected siblings - suggesting insulin resistance is a cause, not consequence.
Insulin Resistance in Brain Alters Dopamine Turnover and Causes Behavioral Disorders
Insulin resistance in the brain alters dopamine turnover and causes behavioral disorders in mice.
Insulin Reduces Neuronal Excitability by Turning on GABA(A) Channels That Generate Tonic Current
Insulin reduces brain cell excitability by activating GABA channels. Insulin resistance means loss of this inhibitory control.
😰Stress & Mitochondria
An Energetic View of Stress: Focus on Mitochondria
Review of how stress affects mitochondria and how mitochondrial dysfunction affects stress responses.
Mitochondrial Functions Modulate Neuroendocrine, Metabolic, Inflammatory, and Transcriptional Responses to Acute Psychological Stress
Manipulating just 4 mitochondrial genes affected ALL stress responses: cortisol, adrenaline, inflammation, metabolism, and gene expression.
Accelerated Telomere Shortening in Response to Life Stress
Study of 58 women found those with highest stress aged 10 years faster on biological markers.
👶Adverse Childhood Experiences
The Effect of Multiple Adverse Childhood Experiences on Health: A Systematic Review and Meta-Analysis
Meta-analysis of 37 studies with 250,000+ people: ACEs increase obesity/diabetes risk 25-52%, mental illness 3-6x, suicide attempts 30x.
Adverse Childhood Experiences and the Risk of Premature Mortality
Six or more ACEs takes 20 years off life expectancy.
Intergenerational Transmission of Trauma Effects: Putative Role of Epigenetic Mechanisms
Evidence that trauma can be transmitted to offspring through epigenetic changes.
😴Sleep & Mitochondria
Impairment of the Mitochondrial Electron Transport Chain Due to Sleep Deprivation in Mice
Sleep deprivation impairs mitochondrial electron transport chain function.
Circadian Clock NAD+ Cycle Drives Mitochondrial Oxidative Metabolism in Mice
Circadian rhythms directly control mitochondrial function through NAD+ cycles.
Butyrate, a Metabolite of Intestinal Bacteria, Enhances Sleep
Butyrate (made from fiber by gut bacteria) injected into mice increased sleep by 50-70%.
🏃Exercise & Mitochondria
Association Between Physical Exercise and Mental Health in 1.2 Million Individuals in the USA Between 2011 and 2015: A Cross-Sectional Study
Study of 1.2 million people found exercise is associated with significantly better mental health.
Mitochondria Modify Exercise-Induced Development of Stem Cell-Derived Neurons in the Adult Brain
Mitochondria are essential for how exercise creates new neurons in the brain.
🧬Neurotransmitters & Mitochondria
Serotonin Regulates Mitochondrial Biogenesis and Function in Rodent Cortical Neurons via the 5-HT2A Receptor and SIRT1–PGC-1α Axis
Serotonin stimulates mitochondrial biogenesis in brain cells - may explain why SSRIs help some people.
Aralar Sequesters GABA into Hyperactive Mitochondria, Causing Social Behavior Deficits
Mitochondria store GABA inside themselves and have neurotransmitter receptors.
Dopamine Metabolism by a Monoamine Oxidase Mitochondrial Shuttle Activates the Electron Transport Chain
Dopamine metabolism occurs in mitochondria and directly activates energy production.
💊Medications & Mitochondria
Lithium and the Interplay Between Telomeres and Mitochondria in Bipolar Disorder
Lithium improves mitochondrial function and affects telomere length (aging markers).
Association of Hydroxylmethyl Glutaryl Coenzyme A Reductase Inhibitors, L-Type Calcium Channel Antagonists, and Biguanides with Rates of Psychiatric Hospitalization and Self-Harm in Individuals with Serious Mental Illness
Metformin (works on mitochondria) was associated with reduced psychiatric hospitalization and self-harm.
Effect of Neuropsychiatric Medications on Mitochondrial Function: For Better or for Worse
Review of how psychiatric medications affect mitochondria - both positively and negatively.
⚡Epilepsy & Mental Illness Connection
Neurobehavioral Comorbidities in Children with Active Epilepsy: A Population-Based Study
20-40% of children with epilepsy also have ADHD, autism, or intellectual disability.
Prevalence of Bipolar Symptoms in Epilepsy vs. Other Chronic Health Disorders
Bipolar disorder is 6x more common in people with epilepsy.
Major Depression Is a Risk Factor for Seizures in Older Adults
Major depression increases risk of unprovoked seizures by 6x.
Complete References in the Book
“Brain Energy” contains over 500 citations from peer-reviewed journals. The Notes section spans 40+ pages with complete references for every claim made in the book.
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