The "Cancer Doctor" Is Wrong About Cancer... — Key Takeaways
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The "Cancer Doctor" Is Wrong About Cancer...
Jay Feldman Wellness1h 21mOct 12, 2026
Watch the originalCancer cells definitively can use fatty acids and ketones for ATP production via oxidative phosphorylation, so the claim that a ketogenic diet starves tumors by withholding usable fuel is not supported by current research.
Key takeaways
Fatty acids and ketones fuel ATP production in cancer cell mitochondria
Fatty acids and ketones fuel ATP production in cancer cell mitochondria
- Multiple seahorse assays confirmed ATP-linked oxygen consumption from palmitate, palmitoyl-carnitine, and beta-hydroxybutyrate in cancer cells.
- Hydrogen-labeled fatty acid tracing showed labeled water produced at the electron transport chain, confirming mitochondrial oxidation.
Beta-hydroxybutyrate drove 5x tumor growth in epithelial cancer cells
Beta-hydroxybutyrate drove 5x tumor growth in epithelial cancer cells
- Ketone supplement increased tumor growth ~5-fold and acted as chemoattractant, stimulating cancer cell migration.
CD36 fatty acid receptor blocking nearly eliminated metastasis in oral cancer
CD36 fatty acid receptor blocking nearly eliminated metastasis in oral cancer
- Neutralizing antibodies against CD36 caused almost complete inhibition of metastasis in melanoma and breast cancer models too.
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In this video
- 1mintro
- 2mis Thomas Seyfried right about cancer as a metabolic disease?
- 3mThomas Seyfried’s claim that cancer cells can’t use fats or ketones as fuel
- 8mhow cells convert glucose, fatty acids, ketones, and glutamine into energy
- 15mstudies showing that ketones and fatty acids fuel tumor growth and metastasis
- 24mThomas Seyfried’s counterargument regarding tumor growth and metastasis from ketones and fatty acids
- 31mstudies that suggest fatty acid utilization as a fuel in cancer cells
- 42mfatty acid metabolism and confirmed oxidative phosphorylation in cancer cells
- 55mketones are used as a fuel in cancer cells – confirmation of oxidative phosphorylation of ketones
- 1h 1mfatty acids are used as a fuel in cancer cells – confirmation of oxidative phosphorylation of fatty acids
- 1h 13mwhat does the research actually show when it comes to cancer, fatty acids, and ketones
“Cancer cells can't burn fatty acids or ketone bodies. Checkmate.”
— Thomas Seyfried
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