Protein, increasing bone mineral density, saturated fat and more reflections | Drew Harrisberg
In episode 400 of The Proof, I’m joined by Drew Harrisberg for a wide-ranging, honest conversation that moves well beyond nutrition and fitness. We reflect on music, creativity, ageing, regret, and what actually matters when you zoom out far enough, alongside some sharp takes on health optimisation, technology, and the direction wellness culture is heading. We […]
Protein amount, quality and timing | Dr Luc van Loon
In this episode of The Proof, I’m joined by Dr Luc van Loon, one of the world’s leading researchers in protein metabolism, muscle physiology, and ageing. We explore what actually happens to protein once you eat it, how muscle adapts to training and inactivity, and why so much of the public conversation around protein misses the nuance. […]
Evidence-Based Strategies for Heart Health and Longevity | Highlights of 2025 (Part 2)
In Part 2 of my Highlights of 2025 series, we focus on what the evidence really tells us about heart health, blood pressure, cholesterol, diet quality, sustainability, and performance. These are areas where confident claims often outpace the science, and where long-term outcomes matter far more than short-term trends. This episode brings together insights from Dr Laurence Sperling, […]
What the Science Really Says About Nutrition | Highlights of 2025 (Part 1)
Looking to cut through the noise and carry the most important nutrition lessons into 2026? Episode #397 launches Part 1 of our Highlights of 2025 series, bringing together the most impactful conversations from the year across protein, dietary fats, gut health, longevity, and science literacy on The Proof. “The one word that best captures diet quality is balance.” Dr […]
Science-based nutrition to prevent a heart attack | Michelle Routhenstein, MS, RD
In this episode of The Proof, I sit down with Michelle Routhenstein, a cardiac dietitian specialising in cardiovascular disease prevention and management. Michelle works closely with cardiologists and patients at all stages, from primary prevention to post heart attack care, translating complex lipid science into practical, sustainable nutrition strategies. We unpack why heart disease remains the […]
How to build a healthy gut using the latest microbiome science | Dr Suzanne Devkota
In this episode I am joined once again by microbiome scientist Dr Suzanne Devkota to unpack what a healthy gut ecosystem really looks like. We explore what the term microbiome actually means, why diversity is so important, and how early life, antibiotics, diet and even who you live with shape your microbial fingerprint across the […]
Why chasing happiness makes you miserable (and how to choose better values) | Mark Manson
In this episode I sit down with writer and thinker Mark Manson, author of The Subtle Art of Not Giving a Fck*, to explore why so many of us spend our twenties chasing the wrong things. We reflect on our own stories of living by “shitty values” like status, approval and pleasure, and how those choices […]
Food Truths from the world’s top nutrition scientist | Walter Willett, PhD
For more than five decades, Dr Walter Willett has been at the centre of nutrition science, helping to correct some of the biggest mistakes in how we think about food. In this episode, we unpack what the field got wrong about fat and carbohydrates, why seed oils have become a modern villain, and how long […]
RFK Jr, MAHA, and the fight for America’s diet – What’s really going on | Dr Jessica Knurick
Public health scientist and nutrition communicator Dr Jessica Knurick joins me to explore the systems shaping the health of Americans today. Jessica has become a trusted voice by helping people understand the connection between personal choices, policy decisions and the broader environment we live in. In this episode we examine why chronic disease continues to […]
Science-based exercise tips for women | Dr Lauren Colenso-Semple
Do women really need a completely different approach to training and nutrition, or has the message that “women are not small men” gone too far? In this episode I am joined by Dr Lauren Colenso-Semple, an exercise scientist and researcher whose work focuses on female physiology, menstrual cycle adaptations and strength training across the lifespan. […]
