Health Longevity Secrets

Latest Episodes:

EXPLAINER: Will AI Cure All Disease? Sep 22, 2026

Show notes

Will AI cure all disease? 90% of biomedical papers published in December 2025 show signs of AI assistance — and the Nobel laureate behind AlphaFold says AI could help end all disease within a decade. In this episode, Robert Lufkin MD examines what artificial intelligence is really doing to health science: the quiet takeover of the scientific paper, the first AI-discovered drug to pass a Phase 2a trial, robot laboratories running experiments around the clock, and the honest caveats behind the "end of disease" headlines — plus what it all means for your health today.

Chapters:

00:00 — The 90% Stat: AI Fingerprints in Biomedical Papers
00:49 — Part 1: The Quiet Takeover of the Scientific Paper
02:16 — Part 2: The Wins Are Real
02:46 — AlphaFold, 200 Million Proteins & the 2024 Nobel Prize
03:13 — Rentosertib: First AI-Discovered Drug to Pass Phase 2a
04:02 — The Superbug Puzzle: 10 Years vs 2 Days
04:22 — Part 3: Robot Labs & the 10-Year Promise
05:26 — Demis Hassabis on "The End of Disease"
06:26 — Part 4: The New Bottleneck Is Verification
07:43 — Part 5: The Honest Caveats
08:42 — Part 6: The Takeaway

Key takeaways:

Roughly 90% of biomedical papers published in December 2025 show measurable signs of AI writing assistance — most of it polishing, not fraud.
AlphaFold predicted structures for essentially all 200 million known proteins and earned the 2024 Nobel Prize in Chemistry.
Rentosertib became the first drug with an AI-discovered target and AI-designed molecule to improve lung function in a randomized, placebo-controlled Phase 2a trial (Nature Medicine).
Autonomous "robot labs" like Lila Sciences ($1.3B valuation, backed by Nvidia) aim to run science at machine speed.
The bottleneck in science is shifting from producing findings to verifying them — zero AI-discovered drugs have full FDA approval so far.
No matter how fast discovery gets, your metabolic health remains the foundation AI can't replace.

Studies & sources:

📖 Dr. Lufkin's book "Lies I Taught in Medical School"

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Ultrasound to Calm the Nervous System | Jon Hacker Sep 15, 2026

Show notes

Modern technology is tricking your nervous system into fight-or-flight — and it's decently profitable to keep you there. Jon Hacker, CEO of NeurGear, explains how focused ultrasound vagus nerve stimulation can switch you back.

In this episode of Health Longevity Secrets, Robert Lufkin MD sits down with Jon Hacker, biomedical engineer and CEO/co-founder of NeurGear, the company behind ZenBud — the first ultrasound-based vagus nerve stimulator. They cover how the vagus nerve governs your rest-and-digest state, why so many of us are stuck in survival mode, how ultrasound compares to electrical stimulators, what the clinical trial data shows, and where single-neuron interfaces could take medicine next.

Chapters:

00:00 — Introduction
01:36 — From Anime Dream to Neurotech Startup: Jon Hacker's Story
06:32 — How AI Supercharges a Small Hardware Team
09:26 — Why Ultrasound Won: Two Pivots to the Vagus Nerve
12:21 — Vagus Nerve 101: Rest-and-Digest vs Survival State
14:59 — How Modern Technology Traps You in Fight-or-Flight
16:02 — Measuring Vagal Tone: HRV, Resting Heart Rate & Reaction Time
19:44 — How Focused Ultrasound Activates a Nerve
21:07 — ZenBud vs Electrical Vagus Stimulators (Pulsetto, Truvaga)
23:00 — Dosing ZenBud: 30-Minute Sessions, Sleep & Safety Limits
26:05 — The Medical Industry's Incentive Problem
30:16 — What to Track: Why Quality of Life Beats Biometrics
32:34 — Side Effects & Overuse: Headache Warning Signs
34:22 — Where VNS Fits: Sleep, Diet, Exercise & Breathwork
36:57 — The Future: Single-Neuron Interfaces & Full-Dive VR

Key takeaways:

Your vagus nerve drives your "rest-and-digest" state — low vagal tone leaves you stuck in survival mode, and chronic survival-state activation feeds the chronic diseases we face today
ZenBud uses low-intensity focused ultrasound (not electricity) to stimulate the auricular branch of the vagus nerve — no shocks, no gel pads, no app required
In a 4-week pilot trial, daily 5-minute sessions produced significant reductions in anxiety, depression, and PTSD symptom scores
Reaction time, resting heart rate, and HRV can track nervous-system changes — but your quality of life is the gold standard
Start with 5 minutes a day and scale up slowly; a mild reversible headache is the signal to dial back

Studies & sources:

Kohler I, Hacker J, Martin E — "Reduction of Anxiety-Related Symptoms Using Low-Intensity Focused Ultrasound Neuromodulation" (JMIR Neurotechnology, 2025) — https://neuro.jmir.org/2025/1/e69770
Auricular Ultrasonic Vagus Nerve Stimulation (review, PMC) — https://pmc.ncbi.nlm.nih.gov/articles/PMC12468173/
ZenBud device — https://zenbud.health
NeurGear — https://neurgear.com

📖 Dr. Lufkin's book Lies I Taught in Medical School · 📰 Substack newsletter · 🌐 robertlufkinmd.com

New episodes every other Tuesday. Subscribe so you don't miss one.

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EXPLAINER: Will mRNA Vaccines Cure Cancer? Sep 08, 2026

Show notes

For the first time in history, a personalized mRNA cancer vaccine has passed a Phase 3 clinical trial. Robert Lufkin MD breaks down the Moderna/Merck melanoma result, how a vaccine custom-built from your own tumor actually works, the 49% drop in recurrence risk behind the headlines — and the honest answer to whether mRNA vaccines will cure cancer.

In this episode of Health Longevity Secrets, Robert Lufkin MD explains the science of personalized mRNA cancer vaccines: neoantigens, the AI-designed "most wanted poster" for your immune system, the five-year KEYNOTE-942 data, the stunning pancreatic cancer signal from Memorial Sloan Kettering, the BioNTech colorectal trial shutdown that reminds us why we run trials — and what still sits upstream of it all: your metabolic health.

Chapters:

00:00 — Introduction: A Cancer Vaccine Makes History
00:43 — What Just Happened: Moderna/Merck Phase 3 Melanoma Trial
01:44 — A Vaccine Made From Your Own Tumor: How It Works
02:31 — Neoantigens: A "Most Wanted Poster" for Your T-Cells
03:17 — The Numbers Behind the Hype: 49% Lower Recurrence at 5 Years
03:53 — Pancreatic Cancer Vaccine: The Sloan Kettering Survival Signal
04:44 — So Will mRNA Vaccines Cure Cancer? The Honest Answer
05:40 — The Platform Play: Lung, Kidney & Prostate Cancer Trials
06:09 — The Honest Caveats: Press Releases vs Peer Review
06:45 — The Colorectal Trial Shutdown: A Reality Check
07:57 — The Takeaway: Metabolic Health Still Sits Upstream

Key takeaways:

Intismeran autogene + Keytruda is the first mRNA cancer vaccine to succeed in a Phase 3 trial — FDA approval possibly by early 2027.
These are NOT prevention shots — each dose is custom-built from one patient's tumor mutations to hunt residual cancer cells after surgery.
Five-year Phase 2b data (KEYNOTE-942): 49% lower risk of recurrence or death, and 62% lower risk of distant metastasis or death at three years.
Pancreatic trial (n=16): ~90% of immune responders alive 4–6 years after surgery vs ~25% of non-responders — hypothesis-generating, not proof.
The reality check: BioNTech/Genentech halted a colorectal Phase 2 after MORE deaths in the vaccine-alone arm — same technology, different cancer, opposite result.
The Phase 3 result is a top-line press release, not yet peer-reviewed; the vaccine is not FDA-approved and is only available in clinical trials today.
Muscle, blood sugar control, sleep, not smoking, and sun protection remain the most proven cancer-risk tools you own right now.

Studies & sources:

Dr. Lufkin's book Lies I Taught in Medical School — more at robertlufkinmd.com and the Health Longevity Brief on Substack.

New episodes every other Tuesday. Subscribe so you don't miss one.

Continue this conversation on Substack: https://robertlufkinmd.substack.com

Lies I Taught In Medical School — Free sample chapter: https://www.robertlufkinmd.com/lies/

The Alzheimer's Lie: It's Not The Amyloid | David Perlmutter MD Sep 01, 2026

Show notes

Neurologist David Perlmutter MD says the beta-amyloid theory of Alzheimer's is wrong — and the real culprit is your brain's own immune cells. In this episode of Health Longevity Secrets, Robert Lufkin MD sits down with the #1 New York Times bestselling author to unpack his new book Brain Defenders: how diet, blood sugar, and metabolic health flip the brain's microglia from protective to destructive, why anti-amyloid drugs offer "trivial" benefit, and which biomarkers actually predict your brain's future.

Chapters:

00:00 — Introduction
01:38 — Why He Left Mainstream Neurology to Prevent Brain Decline
05:24 — Building the World's Largest Integrative Neurology Practice
06:55 — The Common Pathway From Metabolism to Brain Degeneration
08:25 — Why the Beta-Amyloid Theory of Alzheimer's Is Wrong
09:11 — What Are Microglia? The Brain's Immune Cells (M1 vs M2)
12:13 — From Brain "Glue" to Master Regulators of Your Synapses
16:00 — How Body Inflammation and Cytokines Reach the Brain
18:15 — Leaky Gut, the Microbiome, and Brain Degeneration
19:46 — Ultra-Processed Foods Raise Alzheimer's Risk Up to 270%
25:02 — Synaptic Pruning: The Link Between Autism, ADHD and Alzheimer's
29:36 — Why Diabetics Recover Worse From Head Trauma
31:51 — Anti-Amyloid Drugs: "Trivial" Benefit, Serious Harm
35:37 — The Biomarkers to Track: Fasting Glucose, Insulin, A1C
40:09 — On the Horizon: Mitochondrial Therapies and Microglial Transplants
45:26 — Glyphosate, Air Pollution and 40Hz Light Therapy
47:00 — Brain Defenders Releases August 18 — Final Takeaways

Key takeaways:

Alzheimer's is increasingly understood as a "synaptopathy" — a disease of lost synapses driven by the brain's own immune cells (microglia), not simply beta-amyloid plaque.
Microglia shift from supportive (M2) to destructive (M1) in response to metabolic signals: high blood sugar, insulin resistance, elevated blood pressure, excess body fat, and inflammation.
A long-term cohort found each daily serving of ultra-processed food raised Alzheimer's risk ~13%, with 10+ servings/day linked to a 2.7-fold (270%) increase.
A Cochrane review of anti-amyloid antibodies found "trivial" cognitive benefit alongside meaningful harm, including brain swelling and microbleeds (ARIA).
The most actionable brain biomarkers are cheap and accessible: fasting glucose, fasting insulin, A1c, waist circumference, and a continuous glucose monitor — aim for optimal, not just "normal."
Emerging frontiers target the mitochondria inside microglia — metformin, CoQ10, urolithin A, exercise, fasting, ketones, and 40Hz gamma light therapy.

Studies & sources:

Weinstein et al., J Prev Alzheimers Dis — ultra-processed food and Alzheimer's risk
Cochrane Review (2026) — anti-amyloid monoclonal antibodies for Alzheimer's
Iaccarino, Tsai et al. (Tsai Lab, MIT) — 40Hz gamma light and microglia

Dr. Lufkin's book "Lies I Taught in Medical School": https://robertlufkinmd.com/lies/

New episodes every other Tuesday. Subscribe so you don't miss one.

Continue this conversation on Substack: https://robertlufkinmd.substack.com

Lies I Taught In Medical School — Free sample chapter: https://www.robertlufkinmd.com/lies/

EXPLAINER: Human Age Reversal Has Begun Aug 25, 2026

Show notes

They just injected youth genes into a human eye. On June 9, 2026, a patient with glaucoma became the first human ever dosed with ER-100 — an epigenetic reprogramming gene therapy designed not just to slow aging, but to reverse it. In this solo explainer, Dr. Robert Lufkin breaks down the science of partial cellular reprogramming, the Harvard study that restored vision in old mice, the built-in genetic safety switch, and what this first-in-human trial really means — and doesn't mean — for the future of longevity.

Chapters

00:00 — Introduction: Youth Genes Injected Into a Human Eye
00:41 — Glaucoma: Blindness That Only Moves in One Direction
01:42 — The Harvard Mice That Got Their Vision Back
02:05 — Yamanaka Factors and the OSK Gene Cocktail
03:08 — June 9, 2026: First Human Dosed With ER-100
03:54 — The Doxycycline Safety Switch Built Into the Genes
04:35 — Aging as Lost Information: Hardware vs Software
05:27 — Why Scientists Chose the Eye First
06:05 — The Honest Caveat: Phase 1 Means Safety, Not Efficacy
07:13 — The Takeaway: What Already Works for Longevity

Studies & sources mentioned

Lu et al. 2020, Nature — OSK reprogramming restored vision in old mice: https://pubmed.ncbi.nlm.nih.gov/33268865/
Tham et al. 2014, Ophthalmology — global glaucoma prevalence: https://pubmed.ncbi.nlm.nih.gov/24974815/
Life Biosciences — first patient dosed in Phase 1 trial of ER-100: https://www.globenewswire.com/news-release/2026/06/09/3308634/0/en/life-biosciences-announces-first-patient-dosed-in-phase-1-trial-of-er-100-for-optic-neuropathies.html
Trial registration (NCT07290244): https://clinicaltrials.gov/study/NCT07290244

⚠️ Honest caveat: this is a Phase 1, open-label safety trial in roughly 18 adults. The primary endpoint is safety and tolerability — not vision restoration. Nothing here is medical advice; this content is for educational purposes only.

📕 Book "Lies I Taught in Medical School": https://robertlufkinmd.com/lies/
📰 Weekly newsletter: https://robertlufkinmd.substack.com
🌐 Website: https://robertlufkinmd.com

New episodes every other Tuesday. Subscribe so you don't miss one.

Continue this conversation on Substack: https://robertlufkinmd.substack.com

Lies I Taught In Medical School — Free sample chapter: https://www.robertlufkinmd.com/lies/

Your Beliefs Control Your Genes with Bruce Lipton PhD Aug 18, 2026

Show notes

What if your genes aren't your destiny? Cell biologist Bruce Lipton PhD — the former medical school professor whose cloned stem cell research helped pioneer epigenetics, and author of The Biology of Belief (published in over 50 languages) — joins Robert Lufkin MD to make the case that perception, not DNA, controls your biology. A positive belief can heal (the placebo effect); a negative belief can harm (the nocebo effect) — which is why Bruce calls a prognosis a prescription. And now, after a cancer diagnosis at 80, he is living his science in the most personal way imaginable.

His new book, Beyond Darwin: How Epigenetics, Quantum Science, and Cooperation Shape Humanity's Future, releases today — the same day as this episode.

Chapters:

00:00 — Introduction
02:36 — The Stem Cell Experiment That Broke the Dogma
05:55 — Epigenetics: Control Above the Gene
09:12 — The Brain Is the Chemist: Beliefs Become Biology
12:04 — Cancer Is Not Genetic: The Adoptee Data
20:43 — Placebo and Its Dark Twin, the Nocebo
23:34 — Prognosis as Prescription: Delivering a Diagnosis
30:36 — Stem Cells: Your Built-In Repair System
32:46 — Bruce's Cancer at 80 and the Younger Doctors
40:16 — Programmed in the First Seven Years
44:05 — Conscious vs Subconscious: The 95% Problem
48:34 — The Matrix, the Red Pill, and Falling in Love
50:55 — Why Marriages Fall Apart: Living From the Program
55:54 — A New Generation of Medicine
57:53 — Civilization's Programming and Conscious Evolution

Key takeaways:

Genetically identical stem cells became muscle, bone, or fat depending only on their environment — the culture medium, not the genes, determined their fate.
Fewer than 1% of diseases are caused by genes alone; adoption studies show adoptees acquire the disease patterns of their adoptive families, not their biological ones.
The brain is the chemist: perception shapes blood chemistry, which controls gene expression.
Placebo beliefs can heal — and nocebo beliefs can harm. A substantial share of treatment outcomes reflects belief effects.
Your body replaces roughly 3.5 million cells every second, powered by stem cells — your built-in repair system.
About 95% of daily behavior runs on subconscious programs downloaded in the first seven years of life.
Change the program — through mindfulness, presence, and repetition — and you change your biology.

Studies & sources:

Sørensen et al., NEJM 1988 — premature death in adoptees tracks adoptive, not biological, parents: https://pubmed.ncbi.nlm.nih.gov/3347221/
Rooney et al., Health Psychology 2024 — meta-analysis of nocebo effects: https://pubmed.ncbi.nlm.nih.gov/37843534/
Colloca & Miller 2011 — the nocebo effect and its clinical relevance: https://pmc.ncbi.nlm.nih.gov/articles/PMC3167012/
Kaptchuk & Miller, NEJM 2015 — placebo effects in medicine: https://www.nejm.org/doi/10.1056/NEJMp1504023
Motesharrei et al., Ecological Economics 2014 — the NASA-funded HANDY model on societal sustainability: https://nature.berkeley.edu/garbelottoat/wp-content/uploads/motesharrei-etat-2014.pdf
Bruce Lipton's new book, Beyond Darwin (BenBella): https://benbellabooks.com/shop/beyond-darwin/

Watch the full episode on YouTube: https://youtu.be/6BnJVoo_iXs

Robert Lufkin MD's book, Lies I Taught in Medical School: https://robertlufkinmd.com/lies/
Newsletter: https://robertlufkinmd.substack.com
Website: https://robertlufkinmd.com

The information provided in this program is for general informational purposes only and is not intended as a substitute for professional medical advice. Always consult your physician regarding your personal health decisions.

New episodes every other Tuesday. Subscribe so you don't miss one.

Continue this conversation on Substack: https://robertlufkinmd.substack.com

Lies I Taught In Medical School — Free sample chapter: https://www.robertlufkinmd.com/lies/

EXPLAINER: The Longevity IV That Killed a 27-Year-Old Aug 11, 2026

Show notes

A healthy 27-year-old walked into a Bronx wellness center for an NAD+ "longevity infusion" — and was dead within the hour. The man holding the needle wasn't licensed to practice medicine anywhere in the US. Robert Lufkin MD breaks down the Elizabeth Baron case: what actually happened, what NAD+ can and can't do based on the real evidence, why the billion-dollar med spa industry operates like the Wild West, and the three-license checklist that can protect you before anyone puts a needle in your arm.

Chapters:

00:00 — Introduction: Death After an Anti-Aging IV Drip
00:44 — What Happened in the Bronx: The Elizabeth Baron Case
01:58 — What's Actually in the Bag: NAD+ Explained
02:56 — No Randomized Trial Evidence for IV NAD+
03:38 — The Wild West: Inside the Unregulated Med Spa Boom
04:02 — A Pattern of Med Spa Deaths and Injuries
04:54 — The Three Licenses: Person, Building, Bottle
06:19 — The Honest Caveat: Cause of Death Still Pending
07:17 — The Takeaway: Fundamentals Beat the Drip

Key takeaways:

NAD+ is real biology — a coenzyme central to energy production and DNA repair — but no randomized trial has ever shown an IV NAD+ drip slows aging in humans.
IV NAD+ is legal yet not FDA approved for any specific application, and the marketing has sprinted far ahead of the evidence.
An IV bypasses every natural checkpoint in your body. Treat it like surgery on your blood.
Before any injection or infusion, verify three licenses: the person, the building, and the bottle. If a clinic can't answer instantly, walk out.
The fundamentals that actually move healthspan — muscle, metabolic health, sleep, blood pressure, blood sugar — cost almost nothing and have mountains of evidence.

Sources & reporting:

📖 Dr. Lufkin's book "Lies I Taught in Medical School": https://robertlufkinmd.com/lies/
📰 Substack newsletter: https://robertlufkinmd.substack.com
🌐 Website: https://robertlufkinmd.com

This episode is educational content only and is not medical advice.

New episodes every other Tuesday. Subscribe so you don't miss one.

Continue this conversation on Substack: https://robertlufkinmd.substack.com

Lies I Taught In Medical School — Free sample chapter: https://www.robertlufkinmd.com/lies/

Heart Surgeon: It's Not Cholesterol — It's Metabolic Health | Philip Ovadia MD Aug 04, 2026

Show notes

A cardiac surgeon who's performed thousands of open-heart operations says most of his patients didn't have to be there — and the culprit isn't cholesterol, it's metabolic health.

In this episode of Health Longevity Secrets, Robert Lufkin MD sits down with Dr. Philip Ovadia, board-certified cardiac surgeon and author of the new book "Stay Off My Kitchen Table." Once morbidly obese and prediabetic himself, Ovadia lost nearly 100 pounds and rethought everything he was taught about heart disease. He explains why "meat is medicine," how red meat got vilified by bad science, what really drives heart disease, and how his nationwide telehealth practice is rebuilding primary care around metabolic health.

Chapters:

00:00 — Introduction
01:34 — Why a Heart Surgeon Wrote "Stay Off My Kitchen Table"
04:54 — Do You Need to Eat Meat? Nutrient Density and Bioavailability
07:30 — Meat Is Medicine: Why Red Meat Was Vilified
09:38 — How Bad Epidemiology Made Meat the Villain
12:43 — Red Meat Down 40%, Heart Disease Worse: What That Tells Us
14:23 — Ovadia's Own Journey: Obese, Prediabetic, and Gary Taubes
15:54 — Why Medical Schools Resist This (and What's Changing)
19:01 — RFK Jr, Trump, the New Food Pyramid and realfood.gov
21:38 — Leaving Employed Surgery for a Telehealth Practice
25:24 — Metabolic Care Beyond the Heart: Building Primary Care
31:38 — What Telemedicine Patients Actually Experience
37:01 — It's Not Just What You Eat — It's What You Absorb
38:50 — Gut Health, Anti-Nutrients, and the NAD Supplement Problem
42:37 — Best Wearables: Why the CGM Tops the List
44:11 — Empowering Patients to Take Back Control

Key takeaways:

Metabolic health — not cholesterol — is the primary driver of heart disease, and most heart surgery is preventable through diet and lifestyle.
"Meat is medicine": red meat was vilified largely by poorly done epidemiologic science layered with political and economic interests.
U.S. red meat consumption has fallen ~40% since the 1950s–60s, yet heart disease has gotten worse — strong evidence meat isn't the cause.
It's not just what you eat, it's what you absorb: gut health, bioavailability, and plant anti-nutrients all shape your results.
The continuous glucose monitor (CGM) is the single most powerful wearable for understanding how food and lifestyle affect your metabolic health.

Studies & sources:

"Stay Off My Kitchen Table" by Dr. Philip Ovadia (with Joshua Lisik) — ovadiahearthealth.com
"Stay Off My Operating Table" by Dr. Philip Ovadia — Goodreads
Ovadia Heart Health (nationwide telehealth practice) — ovadiahearthealth.com
New U.S. dietary guidelines & food pyramid — realfood.gov
Gary Taubes (author and science journalist) — garytaubes.com

Dr. Lufkin's book "Lies I Taught in Medical School": robertlufkinmd.com/lies

New episodes every other Tuesday. Subscribe so you don't miss one.

Continue this conversation on Substack: https://robertlufkinmd.substack.com

Lies I Taught In Medical School — Free sample chapter: https://www.robertlufkinmd.com/lies/

There's No Such Thing as a Weight Problem | Ben Azadi Jul 21, 2026

Show notes

"There's no such thing as a weight problem — it's a weight symptom." Ben Azadi joins Robert Lufkin MD to dismantle the calorie myth and reveal the metabolic root cause underneath stubborn fat, fatigue, and disease.

Ben Azadi — functional health practitioner, founder of Keto Camp, and bestselling author of "Metabolic Freedom" — unpacks metabolic flexibility, diet variation, fasting, and why staying in ketosis forever can backfire. He previews his revised book "Keto Flex" (out July 21) and shares how he lost 80 pounds and rebuilt his metabolism from the inside out.

Chapters:

00:00 — Introduction
01:30 — Ben Azadi's 80-Pound Transformation Story
03:00 — What Was Actually Broken in His Metabolism
06:00 — "You Don't Have a Weight Problem, You Have a Weight Symptom"
07:30 — The 3 Percenters: Why 97% Chase Symptoms
08:30 — Ask the Right Question: How Do I Lower Insulin?
09:30 — Diet Variation: Why Cycling In and Out of Ketosis Works Better
12:00 — Feast Day vs Cheat Day: Flexing to Healthy Carbs
13:30 — Warning Signs You've Stayed in Keto Too Long
15:00 — Hormesis, Stress, and the Post-Menopause Caveat
16:30 — Using Heart Rate Variability to Dial In Your Stressors
18:00 — The Carnivore "Toxin Terminator" and Plant Compounds
22:30 — Chapter 9: A Customized Keto Plan for Women
25:30 — Fasting, Autophagy, and mTOR Balance
28:30 — How a 48-Hour Fast Resensitizes Your Dopamine Receptors
30:00 — Where People Get Fasting Wrong (Don't Forget to Feast)
33:00 — Metrics That Track Real Progress (Glucose, CGM, Oura)
34:30 — AI, Wearables, and the End of One-Size-Fits-All Diets
37:30 — What's New in the Revised Keto Flex
40:30 — Metabolic Freedom vs Keto Flex: Which Book First?
42:00 — Final Message: Identify the Interference, Let the Body Heal

Key takeaways:

Weight is a symptom, not the problem — chase the root cause (insulin, inflammation, hormones), not the number on the scale.
Metabolic flexibility beats rigid dieting: cycling in and out of ketosis with feast days keeps the body adaptive.
Staying in ketosis indefinitely can backfire — watch for warning signs and build in strategic carb refeeds.
Hormetic stressors (fasting, cold, exercise) help — but dose them to your recovery, tracked via HRV and tools like the Oura ring.
A 48-hour fast can resensitize dopamine D2 receptors and reset reward signaling.
Women often need a cyclical, customized keto approach — one-size-fits-all fails.

Studies & sources:

Fasting and dopamine D2 receptor availability — Dunn et al., Diabetes Care 2012 — diabetesjournals.org
Ketogenic diet raises glutathione (hormesis / antioxidant defense) — Napolitano et al., Metabolites 2020 — pmc.ncbi.nlm.nih.gov
Ben Azadi's revised book "Keto Flex" (bonuses) — ketoflexbook.com

Dr. Lufkin's book "Lies I Taught in Medical School": robertlufkinmd.com/lies

New episodes every other Tuesday. Subscribe so you don't miss one.

Continue this conversation on Substack: https://robertlufkinmd.substack.com

Lies I Taught In Medical School — Free sample chapter: https://www.robertlufkinmd.com/lies/

The Nerve in Your Ear That Controls Stress | Jane Ollis (Sona) Jul 07, 2026

Show notes

What if a single nerve in your ear could shift you out of fight-or-flight in 10 minutes? Jane Ollis explains why your vagus nerve and HRV may be the most overlooked levers for stress, sleep, and longevity.

In this episode of Health Longevity Secrets, Robert Lufkin MD sits down with Jane Ollis — founder and CEO of Sona, medical biochemist with a career across NASA, Oxford, and the NHS — to unpack the science of the vagus nerve, heart rate variability (HRV), and the autonomic nervous system. Jane breaks down why HRV is one of the strongest predictors of all-cause mortality, why a tiny patch of "fish gill pipework" in your outer ear is the key to calm, and how Sona's AI-powered closed-loop vagus nerve stimulator personalizes a 10-minute daily protocol to retrain a nervous system stuck in chronic sympathetic overdrive.

CHAPTERS:
00:00 — Introduction
01:01 — Meet Jane Ollis: From NASA and Oxford to Vagus Nerve Science
03:05 — Why Chronic Stress Drives Inflammation, Insulin Resistance and Disease
05:07 — Sympathetic vs Parasympathetic: The Two Arms of Your Autonomic Nervous System
08:09 — The Hidden Benefit of Stress (And Why You Still Need Recovery)
11:13 — Cortisol, Adrenaline and How the Stress Response Actually Works
12:14 — Acetylcholine, Repair Mode and the Parasympathetic Switch
14:19 — Symptoms of Autonomic Imbalance and Sympathetic Overdrive
17:22 — Heart Rate Variability: Why It Predicts All-Cause Mortality
20:27 — HRV, Aging, Blood Pressure and the Baroreceptor Connection
23:29 — Anatomy of the Vagus Nerve: The Body's Communication Superhighway
26:33 — Free Vagus Nerve Hacks: Slow Breathing, Humming and Chanting
28:35 — How Vagus Nerve Stimulation Works (Cervical vs Auricular Branch)
30:37 — From Epilepsy to Depression: 30 Years of Implanted VNS Research
32:40 — Inside Sona: The First AI-Powered Closed-Loop Vagus Nerve Stimulator
35:44 — How to Use Sona: 10-Minute Daily Sleep Ritual and Neuroplasticity Stack
38:46 — Sleep Quality, Deep Sleep and Stroke Rehab: What the VNS Evidence Shows
40:49 — The Future: Personalized VNS for Anxiety, PTSD, Long COVID and Metabolic Disease
42:52 — The Biggest Myth About Stress, Recovery and Resilience
45:00 — Final Takeaway: One Small Action to Calm Your Nervous System Today

KEY TAKEAWAYS:

Higher heart rate variability (HRV) is one of the strongest non-invasive predictors of all-cause and cardiovascular mortality.
The parasympathetic nervous system isn't about "switching off" — it switches on repair, digestion, and immune housekeeping via acetylcholine.
80% of vagus nerve fibers carry information from the body to the brain — it's a communication highway, not just an output.
The auricular branch of the vagus nerve in the outer ear (cymba conchae) is a 100% afferent vagal pathway.
Slow-paced breathing with a long nasal exhale, humming, and chanting are zero-cost vagal activation tools that raise HRV.
Closed-loop, AI-personalized vagal stimulation may unlock applications in anxiety, depression, PTSD, long COVID, and metabolic disease.

STUDIES & SOURCES:

Sammito et al., 2022 — HRV as a predictor of all-cause mortality: https://pubmed.ncbi.nlm.nih.gov/36243195/
Wang et al., 2023 — taVNS in depression meta-analysis: https://pubmed.ncbi.nlm.nih.gov/37230264/
Wu et al., 2018 — taVNS for depression: Frontiers in Psychiatry
taVNS for insomnia (PSQI):

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