The Diary Of A CEO with Steven Bartlett
The Diary Of A CEO with Steven Bartlett

The Junk Food Doctor: "This Food Is Worse Than Smoking!" & "This Diet Prevents 60% Of Disease!" - Chris Van Tulleken (Ultra-Processed People Author)

What if what you were eating wasn’t really food but an industrially produced edible substance, and your diet was worse for you than smoking? In this new episode Steven sits down with doctor and New York Times bestselling author, Chris van Tulleken. Dr. Chris van Tulleken is an infectious diseases do

Featured Speakers

Steven Bartlett Host

Topics Discussed

Episode Summary

Executive Summary: This podcast features Dr. Chris van Tulleken, author of "Ultra-Processed People," discussing the pervasive harm of ultra-processed foods (UPF). He explains how UPF, engineered by a handful of multinational corporations, has overtaken tobacco as the leading cause of early death globally. Van Tulleken argues that diet-related disease is not a matter of personal failure but a social justice issue driven by poverty and a food environment designed for maximum consumption. He shares his personal experiment of eating 80% UPF, which led to weight gain, altered brain connectivity, and disrupted hunger hormones, and calls for systemic change rather than individual willpower.

Main Topics: Definition and Harm of Ultra-Processed Foods (Priority: 5/5): Distinguishes whole, processed, and ultra-processed foods. UPF are industrial formulations made from cheap commodities (corn, soy, wheat) with additives, designed for long shelf life and overconsumption. They are soft, energy-dense, and engineered to be irresistible, causing addiction and metabolic harm. Addiction and Personal Responsibility vs. Systemic Forces (Priority: 5/5): Van Tulleken asserts that UPF meets addiction criteria and that personal responsibility narratives are morally and scientifically bankrupt. He argues that poverty and food environment are the true determinants of diet-related disease, not willpower. The Experiment: 80% UPF Diet (Priority: 4/5): Describes his month-long diet of 80% UPF (typical of British teenagers). Results included rapid weight gain, increased brain connectivity between habit and reward centers, and failure of satiety hormones to signal fullness. Food Industry and Financialization (Priority: 4/5): Explains how six companies control 75% of global calories, using financial indicators (not health) to guide decisions. The system incentivizes cheap ingredients, intellectual property, and aggressive marketing, particularly to vulnerable populations. Health Impacts and Global Crisis (Priority: 4/5): UPF is linked to obesity, diabetes, cardiovascular disease, cancers, depression, dementia, and early death. One in five Britons get 80% of calories from UPF. Poor diet has overtaken tobacco as leading cause of early death globally. Solutions: Social Justice and Policy Change (Priority: 4/5): Argues that the primary solution is tackling poverty, as it accounts for ~60% of diet-related disease. Advocates for honest labelling, removing industry influence from public health policy, and treating UPF companies like tobacco companies.

Key Arguments: Ultra-processed food is not real food—it is an industrially produced edible substance engineered for overconsumption. Personal responsibility arguments about weight are redundant; willpower correlates with poverty, not character. The obesity pandemic began in the 1970s with the influx of UPF, affecting all demographics simultaneously. Food companies use focus groups to make products consumed faster, driving excess eating. Artificial sweeteners do not aid weight loss and may be metabolically harmful. Exercise has minimal impact on weight loss for most people; the body's energy budget is relatively fixed. Nagging loved ones about weight often backfires; empowering them with agency is more effective. Genetic expression of obesity depends on environment—poverty amplifies genetic risk.

Data Points: Global calorie control: 75% - Six companies control 75% of all calories consumed globally. British UPF consumption: 80% of calories - One in five people in the UK get 80% of their calories from ultra-processed food. Early death cause: Poor diet overtakes tobacco - Poor diet (high in UPF) has overtaken tobacco as the leading cause of early death on Earth. Height stunting in British children: 9 cm shorter - By age 5, British children are 9 cm shorter than Bulgarian children due to diet. Reduction in diet-related disease if poverty eliminated: 60% - If poverty were eliminated, around 60% of diet-related disease would disappear. Incidence of obesity in UK kids: 25% - 25% of British children live with obesity. Obesity prevalence in Mexico/Brazil (historical): Unheard of - Obesity was essentially unheard of in Mexico and Brazil a decade before the influx of American diet.

Pivotal Quotes: "I have almost no interest in personal responsibility. This is about social justice. For people without money, they're forced to eat bad food. If you got rid of poverty, you would get rid of around 60% of the problem of diet-related disease." — Dr. Chris van Tulleken: Responding to the idea that individuals just need to make better food choices. "These products are developed to generate financialized growth for institutional investors. They're not made by people who love you, who want to nourish you. And so I don't think it meets what I think is a useful cultural definition of food." — Dr. Chris van Tulleken: Explaining why he does not consider ultra-processed food to be real food. "So the food, it's a bit like saying to smokers: all you have to do is just smoke one cigarette. The whole pack, just have like one to be social... The food really is addictive for many people." — Dr. Chris van Tulleken: Challenging the calories-in-calories-out model by comparing UPF addiction to smoking.

Implications: This podcast radically reframes diet-related disease as a systemic, not individual, problem. It suggests that effective change requires policy action—poverty reduction, honest labelling, and removing industry influence—rather than relying on willpower. For listeners, it encourages disgust rather than guilt about UPF, and advocates for collective activism.

🔓 Sign Up for Unlimited Episode Search

About The Diary Of A CEO with Steven Bartlett

Steven Bartlett is a British entrepreneur, investor, and author. He’s the founder of Flight Story – a media company – and Flight Fund, an investment fund backing the next generation of category-defining businesses. He created The Diary Of A CEO to share the unfiltered pages of the personal diaries of the world’s most fascinating CEOs, experts, therapists, and leaders – with the hope that their lessons will help both you and him live better lives. DOAC is a double acronym: Diary Of A CEO, but also Dreamers, Open-minded, Awareness, and Connection.This is your corner of the internet to dream boldly, think openly, expand your awareness, and feel more connected. My New Book: https://g2ul0.app.link/DOAC IG: https://www.instagram.com/steven LI: https://www.linkedin.com/in/stevenbartlett-123

View all episodes from The Diary Of A CEO with Steven Bartlett