How To Academy Podcast Julia Belluz and Kevin Hall – Why We Eat What We Eat
Nov 14, 2025
Join Dr. Kevin Hall, a leading nutrition and metabolism scientist, and Julia Belluz, an award-winning health journalist known for her work in nutrition and public health. They unpack the complex relationship between our food environment and eating behaviors. Julia and Kevin debunk common diet myths, revealing that obesity isn't a failure of willpower but rather a system issue. They explore the effects of ultra-processed foods and the impact of economic pressures on food choices, while offering practical steps for healthier living.
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Biology Beats Simple Willpower
- Eating is driven by internal biological signals interacting with our food environment.
- Julia Belluz argues most choices are less conscious than the diet industry claims.
Metabolism Is Not The Weight Villain
- Metabolism is a broad, fundamental process not a magic weight-loss switch.
- Kevin Hall says common beliefs linking 'fast' or 'slow' metabolism to willpower are oversimplified.
Calories Trump Diet Dogma
- When calories are matched, low-carb and low-fat diets produce negligible differences in body fat.
- Kevin Hall's trials show macronutrient swaps change hormones but not large fat differences.
