Bad Idea #33 "Ultra Processed Foods are killing us’" with Sarah Berry

Saving the World From Bad Ideas · Dec 4, 2025 · 1h 6m · transcript

🔍 Episode Summary:

Is the food industry slowly killing us? Is processing of food the problem? Do we really need personalized nutrition? In this episode of Saving the World from Bad Ideas, Mark Lynas sits down with Professor Sarah Berry — nutritional scientist and Chief Scientist at ZOE — to take on Bad Idea #33: “Ultra Processed Foods are killing us”

From the gut microbiome to micronutrients, ultra-processed foods, polyphenols, insulin resistance, fats, carbs, and the myth of the “perfect diet,” Sarah explains why individuals respond so differently to the same foods — and why population-level…