Nutrition & Diet

7 curated episodes

92 min · May 2026 · #299

Do Athletes Really Need More Carbs? | Dr. Andrew Koutnik & Mike Haney

Dr. Andrew Koutnik, PhD — Visiting Research Scientist, Florida Institute for Human and Machine Cognition; studies nutrition, metabolism, Type 1 diabetes, and performance

Why muscle glycogen—your store of carbs—may not explain “the wall”—and how blood glucose, insulin, and metabolic flexibility can reshape how you fuel training.

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71 min · Apr 2026 · #296

The Truth About Protein: Why Exercise is Key to Muscle & Longevity

Dr. Stuart Phillips — McMaster University; Professor of Kinesiology & Director, Physical Activity Centre of Excellence

Protein alone doesn't build muscle — exercise does. Why the RDA is too low, how anabolic resistance accelerates with age, and what optimal intake actually looks like.

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84 min · Jan 2026 · #291

Why no diet wins (what 40 years of nutrition research shows)

Christopher Gardner, PhD — Stanford University; Professor of Medicine & nutrition researcher

After 40 years of diet RCTs, one thing is clear: no macro pattern wins. What the evidence actually supports, why industry funding distorts findings, and where consensus does exist.

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94 min · Jan 2026 · #289

Why nutrition science got it wrong

Gary Taubes — Investigative science journalist; author of Good Calories, Bad Calories and Why We Get Fat

Nutrition science built its guidelines on epidemiology, not trials. The case for the carbohydrate–insulin model, why low-fat dogma persisted, and what RCTs actually show.

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101 min · May 2024 · #255

What are LMHRs (lean mass hyper-responders)?

Dave Feldman; Dr. Nick Norwitz, PhD; Dr. Dominic D'Agostino, PhD — Citizen Science Foundation (Feldman); Harvard Medical School (Norwitz); University of South Florida (D'Agostino)

High LDL on keto doesn't always mean high risk. The LMHR phenotype — high LDL, high HDL, low triglycerides — what the Oreo study revealed, and why exercise may explain it.

61 min · Jun 2023 · #218

Ultra-processed foods and the factors affecting food and nutrition

Dr. Robert Lustig, MD; Dr. Tim Harlan, MD — UCSF (Lustig); Tulane University; Executive Director, Tulane Goldring Center for Culinary Medicine (Harlan)

The food industry can make ultra-processed foods less harmful — and hasn't. The specific ingredients (DATEM, sucralose, omega-6 oils) that damage liver, gut, and metabolism.

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72 min · Jun 2023 · #216

The benefits of biosensing for preventive medicine

Michael Dubrovsky — SiPhox Health; Co-founder & CEO

Annual blood tests are a single snapshot; biosensors give continuous film. How real-time data shifts healthcare from diagnose-and-treat to prevent-and-optimize.