Lisa Miller says spiritual circuits thicken cortex, prevent suicide.

Sunday, July 5, 2026 · from 3 podcasts

Tucker Carlson Show Hidden Brain Huberman Lab

Lisa Miller’s MRI data shows spiritual practice thickens the same brain regions depression thins.
Michael Nehls argues lithium deficiency and vaccine-induced inflammation shrink the hippocampus.
Both researchers frame depression as a biological atrophy, not a purely psychological state.

The brain’s circuits for transcendence are universal, activating whether a person is Jewish, Muslim, or ‘spiritual but not religious,’ Lisa Miller told Hidden Brain. Her MRI studies found sustained spiritual life over eight years correlates with a thicker cortex in the precise regions that wither in recurrent major depression.

"Spiritual engagement is 82% protective against completed suicide. It is also 80% protective against the onset of addiction."
- Lisa Miller, Hidden Brain

Miller views spirituality and depression as two sides of the same coin: one cultivates these innate circuits, the other lets them atrophy. She argues modern culture’s lopsided focus on tactical achievement creates a persistent, low-grade dissatisfaction - a hole no material success can fill.

A week of mounting evidence reveals a parallel, more contentious biological model. On The Tucker Carlson Show, Michael Nehls argued the hippocampus - the seat of the ‘mental immune system’ - shrinks by 1.4% annually in modern societies due to chronic inflammation. He identified lithium deficiency as a core culprit, citing a 2025 Nature paper where only lithium deficiency correlated with Alzheimer’s stage in human brains.

Nehls contended the FDA’s 1949 ban on lithium as a supplement cleared the field for patented synthetic mimetics. He claimed mRNA vaccine spike proteins trigger a cytokine storm that chronically shuts down hippocampal neurogenesis, leading directly to depression, anxiety, and Alzheimer’s.

The link between physical practice and mental state was explored the same day. On Huberman Lab, Ido Portal argued that ‘bodily resolution’ - the granularity of the brain’s internal map of the body - deteriorates without novelty and attention. He suggested playfulness and curiosity prevent mental models from hardening into rigid, depressive states.

"If the brain lacks a single essential element like lithium, no amount of other vitamins or drugs can fix the resulting dysfunction."
- Michael Nehls, The Tucker Carlson Show

The research converges on a biological framing of depression: not as a mood disorder, but as a physical atrophy of specific brain structures. The proposed remedies - spiritual cultivation, micronutrient restoration, and high-resolution movement - all aim to regrow the tissue.

3 Sources:

Tucker Carlson Show Hidden Brain Huberman Lab

#Mental Health #Brain #Psychology

Nature Portal App FDA

Source Intelligence

- Deep dive into what was said in the episodes

The Tucker Carlson Show

Tucker Carlson

The Number One Way to Fight Alzheimer’s, Depression and Anxiety Before It’s Too Late • Jul 3

Michael Nehls argues dogs trigger oxytocin release in both humans and dogs, which fertilizes hippocampal growth and enhances memory, curiosity, and psychological resilience.
Nehls states hippocampal neurogenesis daily creates index neurons that tag memories by location and time; Alzheimer's starts here with a shutdown of this process.
A Korean study in 2023 found Alzheimer's rates increased after mRNA COVID-19 injections, which Nehls predicted in his 2022 book 'The Indoctrinated Brain'.
Nehls identifies spike protein-induced neuroinflammation as chronic and dangerous, shutting down hippocampal neurogenesis and leading to depression, anxiety, and Alzheimer's.
Lithium is the natural antidote to cytokine storm and overactive immune response; August 2020 case reports and a later RCT showed it halved hospital time for severe COVID with zero ICU admissions or deaths.
Nehls argues human mental immune system - enabling curiosity, rational compassion, and peace - evolved during a 70,000-year African drought when coastal shellfish, rich in lithium, became the staple diet.
The hippocampus shrinks 1.4% annually in modern societies; its ideal volume depends on an omega-3 index of 11%, but Americans average 4% and children 2.5-3%.
A 2025 Nature paper from Harvard found only lithium deficiency correlated with Alzheimer's disease stage in human brains; removing lithium induced Alzheimer's in genetically predisposed mice.

Also from this episode: (8)

Health (8)

A September 2020 Cordoba study found the vitamin D prohormone 25-hydroxy vitamin D reduced the need for intensive care in severe COVID patients by 25-fold.
Lithium is an element universally present in stone; historical healing springs contained higher lithium levels, and modern tap water lithium correlates with lower murder rates, mental hospital admissions, suicide, and Alzheimer's risk.
Ocean water contains 100 times more lithium than freshwater; shellfish concentrate it 3-5 fold, providing 1-2 mg daily, which Nehls says became an evolutionary necessity.
Modern inland living creates widespread lithium deficiency, causing a 'mental immune deficiency syndrome' manifesting as autism, ADHD, schizophrenia, and eventually Alzheimer's.
John Cade's 1949 paper suggested bipolar disorder might stem from childhood lithium deficiency, prompting the FDA to ban lithium supplements that same year despite evidence of essentiality.
Three 1949 JAMA papers described lethal lithium chloride poisoning in heart patients; Nehls argues this was a purposeful clinical trial to justify banning lithium supplementation.
7-Up originally contained 1 mg of lithium per glass, named for lithium's atomic weight of 7, until its 1949 reformulation after the ban.
Nehls estimates 90-95% of the population suffers from lithium deficiency, causing chronic inflammation; lithium orotate at 1 mg daily is his recommended safe, essential dose.

#Health #Longevity #Brain #Macro #Regulation

Hidden Brain

Waking Up Your Spiritual Brain: Part 1 • Jun 29

Lisa Miller's 30 years of research challenge radical materialist models by scientifically investigating spiritual awareness, using MRI and epidemiological studies to demonstrate its healing and protective qualities. She found universal neural circuits for transcendent perception in all people, regardless of faith.
Transcendent awareness activates four distinct neural circuits: quieting the mind, engaging the bonding network, shifting to the ventral attention network, and unifying the parietal lobe. These three active circuits work together, making one feel "loved, held, guided, and never alone."
The capacity for transcendent relationship is one-third innate and two-thirds environmentally formed, per twin studies, meaning spiritual awareness is a natural human capacity that can be cultivated. Sustained spiritual life, through practices like prayer and service, is associated with a thicker cortex in awakened brain regions.
A study published in JAMA Psychiatry found that sustained strong spiritual lives over eight years resulted in increased cortical thickness across brain regions. These are the same regions that are thinner in individuals with recurrent major depression, suggesting a reciprocal relationship between spirituality and depression.
Lisa Miller published her findings in top peer-reviewed journals, including American Journal of Psychiatry, by meticulously integrating spiritual variables into familiar study designs. Despite this rigor, initial findings, like an 80% protective effect against addiction, were often met with confusion or silence by colleagues.
An "awakened brain" perspective shifts life from a transactional "narrow achieving awareness" (what do I want?) to an open "sacred landscape" (what is life showing me now?). This allows individuals to discover guidance and possibilities beyond their pre-conceived plans, fostering an "inspired life."

Also from this episode: (7)

Psychology (2)

Thomas Hood's poem "I Remember, I Remember" (1826) captures the adult sentiment of lacking the effortless awe and connection to the universe experienced in childhood. Psychologist Lisa Miller studies how grown-ups can regain this sense of transcendence.
Psychologist Lisa Miller treated Ileana, a 12-year-old girl devastated by her father's murder, whose standard trauma treatment was ineffective. Her mood improved only after meeting a boy with her deceased father's unusual name, leading her to believe her father's spirit was watching over her.

Religion (3)

Lisa Miller organized an informal Yom Kippur service for patients on a psychiatric inpatient unit, where a normally "explosive" patient became a spiritual leader, exhibiting profound calm. She realized that spiritually grounded ceremonies offered therapeutic benefits absent from standard treatment.
Ken Kempler's 1997 research identified spirituality as one-third innate and two-thirds environmentally formed, distinguishing it from religion, which is almost entirely environmentally transmitted. Lisa Miller uses this distinction to address criticisms of religion by asking if practices align with natural spirituality's loving and guiding principles.
Spirituality significantly protects against mental and physical illness, notably offering 82% protection against completed suicides among Gen Z, high school, and college students. This means young people with a strong spiritual life are four-fifths less likely to take their own lives.

Mental Health (2)

A unit chief advised Lisa Miller against disclosing her spiritual intervention with patients, reflecting the medical establishment's view that spirituality is separate from scientific and biological mental health treatment. This institutional resistance prompted Miller to use science to prove spirituality's healing role.
Lisa Miller observed a widespread "milk toast gray depression" or dysthymia in people, even those not clinically ill, noting a prevailing dissatisfaction and anhedonia in society. This low-grade depression stems from a "hole in the heart" and cannot be filled by external achievements.

#Psychology #Brain #Mental Health #Biology

Huberman Lab

Movement Practice to Strengthen Your Mind-Body Connection | Ido Portal • Jun 29

Andrew Huberman and Ido Portal discuss liminal states, like the boundary between sleep and wakefulness, which can be stabilized through somatic practices. Portal suggests intentionally navigating these states can reset rigid mental models.
Richie Davidson's research indicates that initial meditation practice can increase anxiety, acting as 'stress inoculation' before leading to deeper consciousness. Portal attributes this to an 'under-reduced state' where mental protective membranes fail.
Playfulness cultivates 'aesthetic intensities' and curiosity, which can transform rigid emotional schemas. Portal suggests experiences like cold showers, skygazing, and poetry can evoke 'awe' and promote mental flexibility.
Ido Portal outlines a practice for exposing will: wait for a moment of resistance to a task, then relax into it with a 'gentle thread' or 'playfulness' instead of forcing or motivating, slowly increasing the challenge.
Huberman notes Joe Parvizi's work on the anterior mid-cingulate cortex (aMCC) showing it enlarges with the practice of pushing through resistance, supporting the idea that tenacity and discipline can be built neurologically.
Ido Portal advocates for 'bodily resolution,' a physical granularity distinct from mere mobility, which deteriorates without novelty and conscious attention. This concept extends to emotional, conceptual, social, and spatial schemas.
Huberman references Lisa Feldman-Barrett's work that cultures with more nuanced language for emotions tend to experience less generalized 'sadness' or 'depression,' advocating against the 'emojification' of mental life.
Portal suggests treating emotional and intellectual faculties as 'stomachs' requiring diverse nutrients, including discomfort, emotional contradiction, aesthetic intensity, and restraint, to foster deeper cognitive and emotional complexity.
Portal emphasizes the 'multistability' of experiences, like the unresolvable pause between breaths or finding heat within cold, as powerful practices that align with the antagonistic nature of neural circuits and develop acute observation.
Ido Portal recommends engaging with challenging, 'multi-stable' authors like Jorge Luis Borges and practices like experiencing physical discomfort (e.g., hot tub) while reading, to cultivate deep remorse and gratitude that transcends superficial emotions.

Also from this episode: (4)

Psychology (4)

Ido Portal views discipline as scaffolding, like a wall in a handstand practice, to initiate action but not to become reliant on it. True will is exposed, not developed, by moving from forced discipline to deep personal choice.
Ido Portal advocates 'micro dosages' of practice, like short meditations or continually recalling a problem while walking, to integrate profound changes into daily life without dependence on long, isolated sessions.
Portal criticizes the phrase 'listen to your body' as often corrupted, emphasizing the need for internal mapping and differentiation of one's own states to achieve true refinement, rather than blindly following internal cues.
Portal views daily life as a continuous 'practice' rather than just 'living,' suggesting every moment, from listening to cooking, can be an opportunity for conscious presence. He believes the body and sensory symbols are crucial for cognitive and personal development.

#Psychology #Brain #Health #Exercise