The Dr. Hyman Show Ultra-Processed People: How Big Food Is Rewiring Our Brains | Chris Van Tulleken
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Apr 16, 2025 
In this discussion, Dr. Chris Van Tulleken, an infectious disease physician and BBC broadcaster, reveals the shocking parallels between ultra-processed foods and cigarettes. He shares his personal experiment of a month-long ultra-processed diet, uncovering how these foods hijack our brain's reward system and regulate hunger. The conversation delves into misleading food labels, the addictive nature of processed foods, and corporate influence on public health, ultimately advocating for policy changes to address the global health crisis.
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Ultra-Processed Food Prevalence
- Ultra-processed food, like Doritos or Twinkies, is easily recognizable.
- It comprises a large percentage of calories consumed by both adults and children.
Personal UPF Experiment
- Chris Van Tulleken consumed 80% of his calories from ultra-processed foods for a month.
- This experiment was part of a larger clinical trial.
Experiment Results
- Van Tulleken gained significant weight, experienced brain changes, and altered satiety hormones during the experiment.
- These changes persisted even after returning to a normal diet.
