Podbit · The Diary Of A CEO with Steven Bartlett
The GKI zone chart maps mitochondrial health into colour-coded zones. The green/yellow prevention zone — where Paleolithic man lived — is where cancer and chronic disease are rare. The red zone, defined by high blood sugar and near-zero ketones, is where modern man increasingly lives. A GKI of 12.5 (Steven Bartlett's live reading) already sits in the prevention zone.
Mainstream oncology has operated on the wrong theory for 100 years. Cancer is not primarily a genetic disease driven by DNA mutations — it is a mitochondrial metabolic disease. When mitochondria become chronically damaged, cells fall back on ancient, oxygen-independent fermentation pathways, triggering the dysregulated cell growth we call cancer.
Dozens of completely different agents — carcinogens, viruses, chronic inflammation, sleep apnea, radiation — all produce cancer. The paradox is how. The answer: they all damage the same thing. Every single cancer-causing agent chronically impairs mitochondrial oxidative phosphorylation, forcing cells into fermentation and dysregulated growth.
Under an electron microscope, cancer cells reveal ghost mitochondria — shells with nothing inside, or grotesquely deformed inner structures. Every cancer cell ever examined shows defects in the number, structure, and function of its mitochondria. Structure determines function: if the organelle is broken, it cannot produce energy properly.
Cancer cells cannot burn fat or ketones because their mitochondria are broken. They can only survive on two fuels: glucose (sugar) and glutamine (the most abundant amino acid in the bloodstream). This is why metabolic therapy targets both simultaneously — restrict glucose with ketosis, then target glutamine with repurposed drugs.
Niger, Gambia, and Nepal have almost no cancer. Australia, New Zealand, and the US have the most. The difference is modern lifestyle — processed carbs, inactivity, stress, and toxic chemicals constantly damaging mitochondria. Wolves in the wild almost never get cancer. Domestic dogs die from it. Same biology, different environment.
The Glucose Ketone Index divides blood glucose (converted to mmol/L) by blood ketone level. A low number means your cells are burning fat efficiently — like Paleolithic man. A high number means you are in the 'red zone' of chronic disease risk. You can measure it yourself with a $30 finger-prick device.
When cancer patients enter nutritional ketosis before chemotherapy, tumour cells lose their metabolic shield — the lactic acid and succinic acid waste that normally protects them. The result: far lower doses of chemo achieve much greater effect, while healthy cells are protected by their ability to slow down. Istanbul clinics are already doing this with pancreatic cancer patients surviving 4–5 years.
Stem cell tumours cannot metastasize. The cells that spread are different: hybrid cells formed when immune macrophages fuse with tumour stem cells. These hybrids are programmed to roam the body — and they are glutamine-driven. Target their glutamine supply and you can intercept metastatic cancer where it travels.
The press-pulse therapeutic strategy first 'presses' — restricts glucose via ketogenic diet and fasting to starve the tumour and reduce its aggressiveness. Then it 'pulses' — delivers drugs targeting glutamine to kill the now-weakened cancer cells, particularly the metastatic hybrids. Low-dose chemo and immunotherapy then finish off what remains, attacking the tumour at its weakest.
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