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David Gillespie's Fortnightly Briefing · Jun 24, 2026

The Corporate Cancer Machine

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David Gillespie · David Gillespie's Fortnightly Briefing

If you ask the medical establishment why cancer rates are exploding they will usually shrug and trot out the same tired line about an ageing population. I am absolutely sick of hearing it. It is a lazy excuse that conveniently ignores reality. Oncology wards used to be the domain of the elderly but not anymore. Today gastroenterologists are routinely pulling aggressive tumours out of the colons of thirty-somethings. Uterine and lung cancers are striking down people who are barely mid-career.

I do not blame the frontline doctors for missing the bigger picture. They are too busy putting out fires to hunt for the arsonists. When you are managing an overwhelmed oncology ward you do not have the luxury of time to trace the epidemiological roots of the crisis. So the medical profession defaults to treating this like a baffling mystery. They point to bad luck while doubling down on screening campaigns. But this is not a mystery. It is a predictable biochemical consequence and the data is staring us in the face.

A massive new paper in Nature Medicine just dropped a bombshell on the bad luck theory of early-onset cancer. By tracking over 160,000 individuals across the US and UK researchers identified a terrifying generational trend. If you were born after 1965 your biological clock is running significantly faster than your parents. You are fundamentally ageing faster than your birth certificate suggests.

And this biological age gap isn’t just making people tired. The study proved it is a massive and independent driver for early-onset solid tumours.

So what is artificially ageing an entire generation?

To find the answer you have to look at the single greatest alteration to human biochemistry in the last century. You have to look at the industrialisation of our dietary fats.

For millions of years the human engine evolved to run on a roughly 1 to 1 ratio of Omega-6 to Omega-3 fatty acids. They are a biochemical yin and yang. Omega-6 provides the raw material for inflammation. This is the body’s necessary acute alarm system to fight infection. Omega-3 provides the compounds to resolve that inflammation and return to baseline.

Then the mid-20th century hit and multinational food conglomerates figured out how to extract incredibly cheap oil from industrial seeds like soy, corn, canola, grapeseed, ricebran and sunflower. They quietly swapped out the foundational saturated fats of the Western diet for Omega-6 sludge. Today the average person is operating on a ratio of 15 to 1. In some cases it is 20 to 1 or higher.

We have flooded our cellular infrastructure with the chemical precursors to chronic inflammation. We have jammed the biological alarm bells in the on position.

The Nature Medicine study explicitly links this kind of systemic physiological dysregulation to tumour growth. Even more damning the researchers found that accelerated ageing in adipose tissue is directly driving early-onset colorectal cancer through what they call visceral adipose-gut crosstalk.

This is where the maths gets terrifying. Your fat tissue is constructed directly from the fats you eat. When you spend a lifetime consuming cheap seed oils your fat does not just store energy. It becomes a dysfunctional and hyperactive organ that constantly dumps inflammatory distress signals directly into your gut microenvironment.

That simmering baseline inflammation creates the perfect permissive environment for a cancer cell to take root and multiply in a 40-year-old.

We are dealing with a population whose immune and metabolic systems have been constantly compromised by the modern food economy. You can feel it in the creeping joint pain the brain fog and the chronic gut issues that seem to be the new normal for adults under fifty. It is the feeling of a body constantly fighting a low-grade war against its own fuel source.

We are not going to screen our way out of this crisis. Catching a tumour early is great but it still means your body was pushed into a state where cancer could thrive. The medical system will keep offering improved and more expensive treatments because that is what it is built to do. But it will not save us from the cheap industrial sludge that caused the biological collapse in the first place.

We have to stop pretending this epidemic is a tragic mystery. We are actively subsidising the astronomical profit margins of global food conglomerates with the cellular health of an entire generation. Every time we consume seed oils we are pouring petrol on an inflammatory fire.

You cannot out-medicate a poisoned food supply. If we want to stop creating young cancer patients we have to take back control of our own biochemistry. Reversing this accelerated ageing does not start in a hospital ward. It starts in your pantry. Throw out the industrial fats and stop paying food conglomerates to slowly kill you.

Read the original on dgillespie.substack.com

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