HUNGRY.

Henry Dimbleby: How I Built LEON, Business Scars To Avoid & Solving the Obesity Crisis

Jul 7, 2025
Henry Dimbleby, founder of LEON Restaurants and author of 'Ravenous', shares his brilliant insights on tackling the obesity crisis and the complexities of the food system. He simplifies intricate topics like systems thinking and feedback loops, urging listeners to look for systemic changes. Dimbleby discusses the significance of healthy eating nudges, drawing on successful Finnish initiatives, and emphasizes the importance of clarity in communication. Plus, he connects culinary arts to creativity, advocating for teaching cooking to children as a vital skill for healthier futures.
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INSIGHT

Complex Food System Feedback Loops

  • The food system is a complex network with many interconnected feedback loops affecting consumption, production, and pricing.
  • Understanding these feedback loops is crucial to tackling systemic issues like obesity and environmental harm.
INSIGHT

Junk Food Cycle Drives Ill Health

  • The food system's dominant feedback loop, the 'junk food cycle,' fuels unhealthy eating and business growth simultaneously.
  • This cycle exploits our ancient appetite for high-calorie foods, driving obesity and ill health globally.
INSIGHT

How Escalating Feedback Loops Are Driving The Global Junk Food Crisis

Henry Dimbleby explains that the food system's biggest health issue is an "escalating feedback loop" called the junk food cycle. Our ancient brain wiring, optimized for scarce calories, craves salt, sugar, and fat, making processed junk food irresistible and easier to sell.

Food companies respond by producing and marketing more of these foods, which makes us eat even more, driving profits and perpetuating obesity and illness globally. This self-reinforcing loop distorts commercial incentives away from health.

To fix this, Dimbleby says we must target the dominant feedback loops: either reshape company incentives with policies or change human appetites, such as with appetite-suppressing drugs. Simply educating people won't break this loop because it is deeply embedded in how the system operates.

This systems-thinking insight reveals why tackling obesity requires addressing complex interactions rather than isolated efforts. As Dimbleby puts it, "The system will always react to an intervention."

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