Our Misplaced Obsession With Protein: Garth Davis, MD On High Fat, Low Carb Diets, Bad Science & How To Separate Nutritional Fact From Popular Fiction
The Rich Roll Podcast1 Jun 2015

Our Misplaced Obsession With Protein: Garth Davis, MD On High Fat, Low Carb Diets, Bad Science & How To Separate Nutritional Fact From Popular Fiction

This week marks the return of Garth Davis, MD — a veteran weight loss surgeon who took it upon himself to determine exactly why so many people are plagued by obesity. A quest that led him down a deep research hole to identify the ultimate human diet to maximize and maintain weight loss; optimize human health; and prevent (and even reverse) lifestyle disease — both for himself and his patients (tune in to RRP 50 for our first conversation). About 7 years ago, the good doctor became his own patient. At the time, he was suffering from high cholesterol, high blood pressure and a fatty liver. In other words, he was downright sick; headed towards a future plagued by obesity and chronic illness. Ironic, yes. But not surprising given the demanding hours of the surgeon lifestyle, lack of exercise, a preference for salty, fatty foods, and the convenience of fast food options in the hospital cafeteria. In fact, there was a Wendy's in the University of Michigan hospital where Garth did his internship and residency, resulting in a daily dose of double cheeseburgers — a habit he maintained for years. Let's just say I can relate. Current conventional wisdom in his field is that overweight patients should adopt a very low carb, low to no fruit, high protein diet — hop on board the ketosis bandwagon. Like many, and without inquiring further, Garth simply bought into this idea as truth. He even wrote a book in 2007 advocating this approach to food, called The Experts Guide To Weight Loss Surgery*. The only problem? This approach to diet failed him and many other friends, colleagues and patients. He knew there had to be a better solution. And his patients needed help beyond knee-jerk surgery. Finally ready for a personal change, he took it upon himself to research — truly research — nutrition for the first time. His study became an obsession. The more he delved into the peer reviewed work, the more convinced he became that there is absolutely no legitimate science to back the long-term health claims surrounding the strongly held belief that if we want to be thin and healthy we should eat a high protein low carbohydrate diet. What did he find? If we want to prevent obesity and disease; attain and maintain ideal weight management; and achieve true optimal health and long-term wellness, we need to embrace our inner herbivore. Sound far-fetched? Before you balk, understand that (much like me) adopting a plant-based lifestyle absolutely revolutionized Garth's health beyond what he could have imagined. Not only did he drop the weight that plagued him for years, all of his blood markers suddenly and quite magically normalized. His allergies vanished. His sleep improved, his energy levels skyrocketed and he got off his statin medications. In short, he finally began to walk his talk. As his life began to turn around, he wanted to be an example to his patients. For the first time in his life, he began exercising. Then he did the extraordinary. Despite never having been an athlete, in 2011 he completed Ironman Texas in 12 hours and 6 minutes.

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Me, But Better: Olga Khazan On The Science of Personality Change, Challenging Fixed Mindsets, & The Big Five Traits That Shape Your Life

Me, But Better: Olga Khazan On The Science of Personality Change, Challenging Fixed Mindsets, & The Big Five Traits That Shape Your Life

Olga Khazan is a staff writer for The Atlantic and author of "Me, But Better." This conversation explores personality mutability and Olga's experiment to transform from anxious introvert to someone freed from her own patterns. We discuss the Big Five traits, her Miami breakdown that sparked everything, and why anxiety isn't actually your superpower. Along the way, we examine the paradox of self-acceptance. This exchange is about agency, transformation, and why we amplify our suffering. Enjoy! Show notes + MORE Watch on YouTube Newsletter Sign-Up   Today’s Sponsors: Lincoln Financial: Check out the NEW 4-part series "The Action Plan"👉https://www.lincolnfinancial.com/richroll                                                    On: High-performance shoes & apparel crafted for comfort and style 👉https://www.on.com/richroll              AG1: Get a FREE bottle of D3K2, Welcome Kit, and 5 travel packs with your first order 👉https://www.drinkAG1.com/richroll Birch Living:  Sustainable mattresses with a 100-night risk-free trial. For 20% off site-wide visit BirchLiving.com/richroll. BetterHelp: Get 10% OFF the first month 👉 https://www.betterhelp.com/richroll WHOOP: The all-new WHOOP 5.0 is here! Get your first month FREE👉https://www.join.whoop.com/Roll   Check out all of the amazing discounts from our Sponsors 👉 https://www.richroll.com/sponsors   Find out more about Voicing Change Media at https://www.voicingchange.media  and follow us@voicingchange

25 Aug 2h 12min

Addiction, Celebrity, Public Shaming & Truth: The Performance Art of James Frey, Celebrated Writer of Ill-Repute

Addiction, Celebrity, Public Shaming & Truth: The Performance Art of James Frey, Celebrated Writer of Ill-Repute

James Frey is the author of "A Million Little Pieces," a book that spoke to the deepest, darkest parts of countless readers in early recovery. This conversation explores his journey to become literature's bad boy, his heroes like Baudelaire and Henry Miller, and his philosophy of "prowling with the panther." We discuss the intersection of creativity and the Tao, where inspiration comes from, and his unique approach to capturing vitality on the page. Along the way, James recounts a few things he's never shared publicly. This is a manifesto on the importance of muscular books written by authors with courage. Buckle up. Enjoy! Show notes + MORE Watch on YouTube Newsletter Sign-Up   Today’s Sponsors: Go Brewing: Use the code Rich Roll for 15% OFF 👉https://www.gobrewing.com On: High-performance shoes & apparel crafted for comfort and style 👉https://www.on.com/richroll              Momentous: Save 35% OFF your first subscription order 👉https://www.livemomentous.com/richroll                              Roka: Unlock 20% OFF your order with code RICHROLL 👉https://www.ROKA.com/RICHROLL            BetterHelp: Get 10% OFF the first month👉 https://www.betterhelp.com/richroll Rivian: Electric vehicles that keep the world adventurous forever👉https://www.rivian.com Check out all of the amazing discounts from our Sponsors 👉 https://www.richroll.com/sponsors   Find out more about Voicing Change Media at https://www.voicingchange.media  and follow us@voicingchange

18 Aug 2h 34min

ROLL ON: The State of Podcasting In 2025

ROLL ON: The State of Podcasting In 2025

Roll On resurfaces from the chrysalis! Adam Skolnick and I unpack 90 days post-surgery, why the caterpillar needs a tortoise mind to become a butterfly, and the death of authentic podcasting. On tap: The state of Podcastistan, why I'm breaking up with viral culture, and the unexpected joy of moving at glacier pace. We explore Phil Stutz's three truths, Alaska's last frontier vibes, and why Deadwood still hits different. Plus: Movies are officially back, friends of the pod crushing impossible distances—because regular suffering is passé—and why community beats audience every damn time. Enjoy! Show notes + MORE Watch on YouTube Newsletter Sign-Up   Today’s Sponsors: LMNT: Get a free LMNT Sample Pack with any purchase 👉 https://www.drinklmnt.com/richroll                                                                                  Seed: Use code RICHROLL25 for 25% OFF your first order 👉https://www.seed.com/RichRoll25 Pique: Get up to 20% OFF plus a FREE rechargeable frother and glass beaker with your first subscription 👉https://www.piquelife.com/richroll Momentous: Save 35% OFF your first subscription order 👉https://www.livemomentous.com/richroll   Calm: Get 40% off a Calm Premium subscription 👉 https://www.calm.com/richroll Prolon: Get 15% OFF plus a FREE bonus gift 👉 https://www.prolonlife.com/richroll Mint Mobile: Get your 3-month Unlimited plan for just $15/month 👉 https://www.mintmobile.com/richroll Check out all of the amazing discounts from our Sponsors 👉 https://www.richroll.com/sponsors   Find out more about Voicing Change Media at https://www.voicingchange.media  and follow us@voicingchange

14 Aug 1h 35min

Inside Nutrition Misinformation: Nutrition Scientist Jessica Knurick Exposes What's Really Happening to Public Health in America

Inside Nutrition Misinformation: Nutrition Scientist Jessica Knurick Exposes What's Really Happening to Public Health in America

This conversation explores the war on science, the misdirection of the MAHA movement, and what's happening to public health while everyone argues about food dyes. We discuss how a $1.1 trillion healthcare cut happened under the radar, why "seed oils" didn't exist until TikTok invented them, and Jessica's systemic solutions for actually making America healthy. Additionally, she explains how health misinformation has become a profitable fear machine. Jessica brings compassionate clarity to the current health policy landscape. Enjoy! Show notes + MORE Watch on YouTube Newsletter Sign-Up   Today’s Sponsors:  Go Brewing: Use the code Rich Roll for 15% OFF 👉https://www.gobrewing.com Squarespace: Use code RichRoll to save 10% off your first order of a website or domain 👉https://www.squarespace.com/RichRoll     Lincoln Financial: Check out the NEW 4-part series "The Action Plan"👉https://www.lincolnfinancial.com/richroll                                                             AG1: Get a FREE bottle of D3K2, Welcome Kit, and 5 travel packs with your first order 👉https://www.drinkAG1.com/richroll                                             Roka: Unlock 20% OFF your order with code RICHROLL 👉https://www.ROKA.com/RICHROLL            On: High-performance shoes & apparel crafted for comfort and style 👉https://www.on.com/richroll              WHOOP: The all-new WHOOP 5.0 is here! Get your first month FREE👉https://www.join.whoop.com/Roll                        Check out all of the amazing discounts from our Sponsors 👉 https://www.richroll.com/sponsors   Find out more about Voicing Change Media at https://www.voicingchange.media  and follow us@voicingchange

11 Aug 2h

Inner Excellence: Jim Murphy On Overcoming Mental Blocks, Mastering The Ego, Success Through Selflessness & The Pillars of Extraordinary Performance

Inner Excellence: Jim Murphy On Overcoming Mental Blocks, Mastering The Ego, Success Through Selflessness & The Pillars of Extraordinary Performance

Jim Murphy is the author of "Inner Excellence," a book compelling enough that NFL players read it during playoff games. This conversation explores Jim's counterintuitive thesis that selflessness, not ego, is the foundation of fearless performance. We discuss his journey from mental breakdown to spiritual awakening, his five years of solitude in the desert, and why self-centeredness is our greatest obstacle to both peak performance and fulfillment. Along the way, Jim reveals my own attachment to outcomes and the transactional relationship I have with love. Jim's wisdom is hard-won. This conversation is powerful. Enjoy! Show notes + MORE Watch on YouTube Newsletter Sign-Up   Today’s Sponsors: Bon Charge Get 15% OFF all my favorite wellness products w/ code RICHROLL 👉https://www.boncharge.com                                         Squarespace: Use code RichRoll to save 10% off your first order of a website or domain 👉https://www.squarespace.com/RichRoll     BetterHelp: Get 10% OFF the first month👉 https://www.betterhelp.com/richroll           On: High-performance shoes & apparel crafted for comfort and style 👉https://www.on.com/richroll              Seed: Use code RICHROLL25 for 25% OFF your first order👉https://www.seed.com/RichRoll Rivian: Electric vehicles that keep the world adventurous forever👉https://www.rivian.com   Check out all of the amazing discounts from our Sponsors 👉 https://www.richroll.com/sponsors   Find out more about Voicing Change Media at https://www.voicingchange.media  and follow us@voicingchange

4 Aug 2h 7min

Dr. Mindy Pelz On Women's Hormonal Health, Cyclical Fasting, Health As A Verb, Reclaiming Your Body's Intelligence & Transforming Menopause Into Empowerment

Dr. Mindy Pelz On Women's Hormonal Health, Cyclical Fasting, Health As A Verb, Reclaiming Your Body's Intelligence & Transforming Menopause Into Empowerment

Dr. Mindy Pelz is a functional medicine expert, bestselling author of "Fast Like a Girl," and a specialist in women's hormonal health. This conversation explores why modern life creates an evolutionary mismatch for women, the hormonal hierarchy that controls everything, and why fasting isn't one-size-fits-all. We discuss metabolic switching, why your pre-period cravings are biological, and how menopause can be empowerment rather than decline. Mindy uncovers the fundamental flaws in our approach to female health. This is a must-listen for any woman ready to stop giving her power away and start trusting her body's intelligence. Enjoy! Show notes + MORE Watch on YouTube Newsletter Sign-Up   Today’s Sponsors:  On: High-performance shoes & apparel crafted for comfort and style 👉https://www.on.com/richroll              Lincoln Financial: Check out the NEW 4-part series "The Action Plan"👉https://www.lincolnfinancial.com/richroll                                  Momentous: Save 35% OFF your first subscription order 👉https://www.livemomentous.com/richroll                              WHOOP: The all-new WHOOP 5.0 is here! Get your first month FREE👉https://www.join.whoop.com/Roll Prolon: Get 15% OFF plus a FREE bonus gift 👉 https://www.prolonlife.com/richroll Calm: Get 40% off a Calm Premium subscription 👉 https://www.calm.com/richroll   Check out all of the amazing discounts from our Sponsors 👉 https://www.richroll.com/sponsors   Find out more about Voicing Change Media at https://www.voicingchange.media  and follow us@voicingchange

31 Jul 2h 10min

The Weight of Gold: Peter Carlisle On The Olympian Mental Health Crisis, Michael Phelps, Simone Biles & The Hidden Cost of Greatness

The Weight of Gold: Peter Carlisle On The Olympian Mental Health Crisis, Michael Phelps, Simone Biles & The Hidden Cost of Greatness

Peter Carlisle is a veteran sports agent who has guided Olympic champions like Michael Phelps and Simone Biles. This conversation explores the hidden mental health crisis behind Olympic gold and the existential threat facing elite athletes when their careers end. We discuss the Weight of Gold documentary, why 90% of Olympians struggle post-competition, and how youth sports have become a destructive machine. He also shares how he almost passed on signing the greatest swimmer of all time. Peter is a truth-teller about what greatness costs. This one hits different. Enjoy! Show notes + MORE Watch on YouTube Newsletter Sign-Up   Today’s Sponsors: On: High-performance shoes & apparel crafted for comfort and style 👉https://www.on.com/richroll              AG1: Get a FREE bottle of D3K2, Welcome Kit, and 5 travel packs with your first order 👉https://www.drinkAG1.com/richroll Roka: Unlock 20% OFF your order with code RICHROLL 👉https://www.ROKA.com/RICHROLL            BetterHelp: Get 10% OFF the first month👉 https://www.betterhelp.com/richroll Rivian: Electric vehicles that keep the world adventurous forever👉https://www.rivian.com OneSkin: Get started today with 15% off using code RICHROLL  👉https://www.oneskin.co/   Check out all of the amazing discounts from our Sponsors 👉 https://www.richroll.com/sponsors   Find out more about Voicing Change Media at https://www.voicingchange.media  and follow us @voicingchange

28 Jul 1h 42min

Proof Of Life: Jennifer Pastiloff On Silencing Your Inner Critic, Transforming Childhood Trauma, & The Radical Power Of Self-Acceptance

Proof Of Life: Jennifer Pastiloff On Silencing Your Inner Critic, Transforming Childhood Trauma, & The Radical Power Of Self-Acceptance

Jennifer Pastiloff is a bestselling author and creator of the viral "On Being Human" movement. This conversation explores her journey from childhood trauma to radical self-acceptance, her concept of silencing the "inner asshole," and why your want is enough to change everything. We discuss her father's death at eight, living in "the land of fine," and the revolutionary idea that you are your proof of life. She demonstrates how our deepest wounds become our greatest superpowers for connection. Jennifer is a rare gem. This exchange is deeply nourishing. Enjoy! Show notes + MORE Watch on YouTube Newsletter Sign-Up   Today’s Sponsors: Go Brewing: Use the code Rich Roll for 15% OFF👉https://www.gobrewing.com BetterHelp: Get 10% OFF the first month👉 https://www.betterhelp.com/richroll Lincoln Financial: Check out the NEW 4-part series "The Action Plan" 👉https://www.lincolnfinancial.com/richroll                                  IQBAR: Get 20% OFF all IQBAR products plus FREE shipping. Just text RICHROLL to sixty-four thousand. Message and data rates may apply. Shokz: Use code RICHROLL for $10 off your purchase 👉 https://www.shokz.com Mint Mobile: Get your 3-month Unlimited plan for just $15/month 👉 https://www.mintmobile.com/richroll Audience Survey: Help us improve the show by sharing what matters most to you 👉https://www.richroll.com/survey   Check out all of the amazing discounts from our Sponsors 👉 https://www.richroll.com/sponsors   Find out more about Voicing Change Media at https://www.voicingchange.media and follow us@voicingchange

21 Jul 2h 4min

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