The Diary Of A CEO

Leading Cancer Researcher: They’re Ignoring My Research, Cancer Patients Must Know This!

Professor Thomas Seyfried challenges mainstream oncology, arguing that cancer is primarily a mitochondrial metabolic disease rather than a genetic one, and outlines strategies to starve tumors.

Professor Thomas Seyfried posits that cancer is a mitochondrial metabolic disease, not a genetic one, and that mainstream oncology has misunderstood this for 100 years. He suggests that by targeting the metabolic fuels of cancer cells, such as glucose and glutamine, patients can better manage the disease.

14
106 minJul 16, 2026The Diary Of A CEO with Steven Bartlett

Listen to the source episode

Leading Cancer Researcher: They’re Ignoring My Research, Cancer Patients Must Know This!

Continue in GenPod

Turn this episode into your next question.

Ask naturally. GenPod can find a related episode—or make a focused explainer when the right one does not exist.
Join the beta

Key takeaways

What to know before you press play.

01

Cancer as a Metabolic Disease

Seyfried argues that cancer is fundamentally a mitochondrial metabolic disease, challenging the prevailing genetic view held by mainstream oncology for the last century.

14
02

Starving Tumors

Cancer cells feed on specific fuels, primarily glucose and glutamine. Seyfried's team uses strategies to starve these tumors, potentially making chemotherapy and immunotherapy more effective.

56
03

The Glucose Ketone Index (GKI)

Seyfried co-developed the Glucose Ketone Index (GKI) as a metric to manage cancer. Lowering GKI through methods like a ketogenic diet can help starve cancer cells and enhance treatment efficacy.

26
04

Environmental Drivers

Environmental factors, including microplastics and 'forever chemicals,' are identified as quiet drivers that damage mitochondria, contributing to the metabolic origins of cancer.

711
05

Patient Outcomes

Seyfried's team reports keeping glioblastoma patients alive for years using these metabolic strategies, an option he claims is rarely communicated to patients despite its potential impact.

811

Ask GenPod next

Keep the question moving.

01

How does the Glucose Ketone Index (GKI) differ from traditional cancer biomarkers?

02

What are the specific environmental drivers that damage mitochondria according to Seyfried?

03

How does the 'press-pulse' therapeutic strategy work in treating glioblastoma?

Background reading

The context behind the episode.

The Researcher

Professor Thomas Seyfried

Thomas Seyfried, PhD, is a professor of biology at Boston College and a leading researcher on the metabolic origins of cancer. He is the author of 'Cancer as a Metabolic Disease' and co-developer of the Glucose Ketone Index (GKI) and the 'press-pulse' therapeutic strategy.

2

Questions

Questions to carry into the episode.

Why does Seyfried believe cancer is a mitochondrial metabolic disease rather than a genetic one?

Seyfried argues that mainstream oncology has misunderstood cancer for 100 years by focusing primarily on genetics, whereas he views it as a mitochondrial metabolic disease.

14
How does the Glucose Ketone Index (GKI) help in cancer management?

Lowering the GKI, potentially through a ketogenic diet, can starve cancer cells by reducing their primary fuels, making chemotherapy and immunotherapy more effective.

6
What environmental factors are damaging mitochondria?

Environmental drivers such as microplastics and 'forever chemicals' are identified as factors that quietly damage mitochondria, contributing to cancer.

711
How does Seyfried's team keep glioblastoma patients alive for years?

His team uses metabolic strategies, including the 'press-pulse' therapeutic approach and managing the Glucose Ketone Index, to starve tumors and improve patient longevity.

8
Why does Seyfried say this option is rarely told to patients?

Seyfried claims that despite the potential benefits of metabolic therapies, almost no patient is ever told this option exists within mainstream oncology.

8

Experts

Voices named in the source.

Thomas Seyfried

Professor of Biology at Boston College

2

Sources and disclosure

Where this guide comes from.

The views expressed are those of the guest, and this conversation is intended for general informational purposes only. This podcast and its associated materials should not be used as a substitute for professional medical advice, diagnosis, or treatment.

  1. Publisher show notes

    1,700 Americans will die from cancer today. 70 every single hour. Professor Thomas Seyfried says it doesn't have to be this way, and that mainstream oncology has misunderstood cancer for 100 years.

  2. Publisher show notes

    Thomas Seyfried, PhD, is a professor of biology at Boston College and one of the world's leading researchers on the metabolic origins of cancer. He is author of the book 'Cancer as a Metabolic Disease: On the Origin, Management, and Prevention of Cancer' and co-developer of the Glucose Ketone Index (GKI) and the “press-pulse” therapeutic strategy.

  3. Publisher show notes

    He explains:

  4. Publisher show notes

    ◼ Why he believes cancer is a mitochondrial metabolic disease, not a genetic one

  5. Publisher show notes

    ◼ Why cancer cells feed on two fuels and the strategy his team uses to starve tumors

  6. Publisher show notes

    ◼ How a ketogenic diet could lower your GKI and make chemo and immunotherapy work better

  7. Publisher show notes

    ◼ The environmental drivers quietly damaging your mitochondria

  8. Publisher show notes

    ◼ How his team is keeping glioblastoma patients alive for years, and why almost no patient is ever told this option exists

  9. Publisher show notes

    The views expressed are those of the guest, and this conversation is intended for general informational purposes only. This podcast and its associated materials should not be used as a substitute for professional medical advice, diagnosis, or treatment.

  10. Publisher show notes

    Chapters

  11. Publisher show notes

    • 00:00:00 Intro • 00:02:22 The New Discovery About Cancer • 00:03:23 What Role Do Mitochondria Play in Cancer? • 00:07:52 ATP & Fermentation: How Your Cells Make Energy • 00:14:40 The Oncogenic Paradox Finally Explained • 00:19:59 Ghost Mitochondria: Cancer Under the Microscope • 00:24:59 Glucose & Glutamine: The Fuels That Feed Cancer • 00:26:12 Why Do Children & Babies Get Cancer? • 00:29:05 Why Wealthy Countries Have More Cancer • 00:32:35 Is Cancer Genetic? • 00:37:38 The Prescription: The Glucose Ketone Index • 00:40:03 How Stress & Poor Sleep Fuel Cancer • 00:44:34 What's Inside the Confidential Envelope? • 00:45:38 The Patient Who Inspired the Discovery • 00:50:05 Measuring Your Glucose Ketone Index Live • 00:52:41 The 'Red Zone' Link To Cancer • 00:57:42 The Man Who Survived Glioblastoma for 10 Years • 00:58:35 Using the Keto Diet to Supercharge Chemo • 01:07:12 The Experiment That Could Prove Cancer Isn't Genetic • 01:08:10 1,700 Cancer Deaths a Day: Seyfried's Warning • 01:13:21 Seyfried's Plan to End the Cancer Epidemic • 01:16:05 What Foods You Should Actually Eat • 01:21:38 Fasting Protocols & Hitting 'The Wall' • 01:26:28 Hyperbaric Oxygen Therapy & Cancer • 01:28:10 Microplastics & 'Forever Chemicals' • 01:30:27 How Cancer Spreads: Metastasis Explained • 01:37:07 The #1 Actionable Takeaway • 01:39:25 Energy, Hope & Final Words

  12. Publisher show notes

    Follow Professor Thomas:

  13. Publisher show notes

    ◼Instagram - https://link.thediaryofaceo.com/1MRuOwr

  14. Publisher show notes

    ◼X - https://link.thediaryofaceo.com/DDF9xxr

  15. Publisher show notes

    ◼Substack - https://link.thediaryofaceo.com/HKsGFcF

  16. Publisher show notes

    ◼ Professor Seyfried's Biology Department - https://link.thediaryofaceo.com/HKwWhwD

  17. Publisher show notes

    ◼ Foundation for Cancer Metabolic Therapies - https://link.thediaryofaceo.com/6Ehj3Hh

  18. Publisher show notes

    ◼ Elizabeth Ann Weathers Breast Cancer Research Fund - https://link.thediaryofaceo.com/Bf10aHy

  19. Publisher show notes

    A message from Professor Seyfried: “If you would like to support research on the mitochondrial metabolic theory of cancer, please consider donating to our research. Please remember that no donation amount is too small or too large.”

  20. Publisher show notes

    The Diary Of A CEO:

  21. Publisher show notes

    ◼ Join DOAC circle here - https://doaccircle.com/

  22. Publisher show notes

    ◼ Buy The Diary Of A CEO book here - https://smarturl.it/DOACbook

  23. Publisher show notes

    ◼ The 1% Diary is back - limited time only: https://bit.ly/3YFbJbt

  24. Publisher show notes

    ◼ The Diary Of A CEO Conversation Cards: https://linkly.link/2hm7r

  25. Publisher show notes

    ◼ Get email updates - https://bit.ly/diary-of-a-ceo-yt

  26. Publisher show notes

    ◼ Follow Steven - https://g2ul0.app.link/gnGqL4IsKKb

  27. Publisher show notes

    Sponsors:

  28. Publisher show notes

    Wispr - Get 14 days of Wispr Flow for free at https://wisprflow.ai/steven Eight Sleep - http://eightsleep.com/steven use code STEVEN for up to $350 off. 30-day at-home trial. Free returns. Ekster Link: https://link.thediaryofaceo.com/GSNEWnm

Related listening guides

Choose what to hear next.