Flex Diet Podcast

In this episode of the Flex Diet Podcast, I sit down with Dr. Jeremy Bettle, a performance director and applied sports scientist, to dig into what actually moves the needle for performance, recovery, and long-term resilience.

We cover everything from high ankle sprains and injury prevention to smarter load management, and why understanding stress, recovery, and tissue capacity matters far more than chasing random training trends.

Dr. Bettle shares insights from years of work across the NHL, NBA, and international sport, along with how elite performance systems can — and should — be translated to non-elite humans who...

In this episode of the Flex Diet Podcast, I catch up with my good friend Jason Brown to dig into the intersection of strength training and aerobic development. We talk through how to implement aerobic conditioning in the real world, what zone two training actually is (and isn’t), and the pros and cons of different training methodologies. 

Jason shares his thoughts on concurrent training, functional movement, and how to improve performance without sacrificing long-term health. We also get into the realities of online coaching and how to structure training programs that support sustainable progress over time.

In this episode of the Flex Diet Podcast, I sit down with my good friend Aram Grigorian from the Real Coaches Summit to talk shop on what actually matters in coaching today. We dig into body composition and weight loss, why consistency still beats novelty, and how to think more clearly about calorie tracking without losing the forest for the trees.

We also get into industry trends, client compliance, and why live, in-person events remain one of the most underrated tools for becoming a better coach. If you’re a trainer or just serious about improving your he...

In this episode of the Flex Diet Podcast, I sit down with Dr. Lauren Colenso-Semple to cut through the noise and tackle some of the most persistent myths in women’s fitness. We break down where misinformation shows up in popular programs, why overly complicated plans often backfire, and what the science actually says about fasted training and low energy availability. 

We also get into hot topics like cold water immersion and cortisol, real sex-based differences in training responses, and why women’s fitness research is still so challenging to conduct well. If you’re looking for practic...

Welcome back to the Flex Diet Podcast! Today, I’m hanging out with the brilliant Katie Emerson, Senior Manager of Scientific Affairs over at Kyowa Hakko USA, aka the people behind Cognizin (CDP Choline), one of the few brain-boosting ingredients with legit research behind it.

We dig into the real science of CDP Choline, how it supports memory, focus, and cognitive performance, and where it actually fits into the human physiology engine, not the hype machine. Katie and I also zoom out into the supplement industry as a whole, chatting about what’s worth paying attention to, what...

On this episode of the Flex Diet Podcast, I sit down with my good buddy and lab-coat-wearing performance wizard, Dr. Andrew Koutnik. We talk about how to boost muscle performance, improve body composition, and feel like an athletic human without dumpster-firing your health.

We dig into cold water immersion (and when it can kick gains in the shins), blood glucose regulation, ketogenic diets, carbs (yes, they’re still awesome), and how to build metabolic flexibility that actually translates to better outcomes in the gym and life.

Andrew shares some killer insights from his research at Fl...

In this episode of the Flex Diet Podcast, I sit down with my good friend Dr. Tommy Wood to dig into his upcoming book, The Stimulated Mind — a ridiculously practical guide to building a better brain.

We get into all kinds of fun rabbit holes: how technology is changing fitness, why lactate (yes, the same stuff you curse during hard intervals) is actually rocket fuel for your brain, and why a solid dose of cardio is one of the most underrated cognitive enhancers out there.

We also tackle resistance training, neuroplasticity as you age, and wh...

In this episode of the Flex Diet Podcast, I sit down with Dr. Jeff Rouse from Shiftwave to talk about his mind-bending device that claims to reset your nervous system.

I’ll be honest, when I first saw it, I was skeptical. But after trying it at the Parker University conference, I was blown away by what it did. We dig into how the tech works, why it’s so effective for both physical and mental health, and how it’s being used everywhere from mental health therapy to pro sports.

Dr. Rouse brings a fascin...

In this episode of the Flex Diet Podcast, I sit down with my good friend Dr. John Rusin to dig into his new book, Pain-Free Performance: Move Better, Train Smarter, and Build an Unbreakable Body. We talk all things movement, strength, and longevity—how to actually perform at a high level without wrecking yourself in the process.

John drops some serious wisdom from decades of training and coaching, and we get into the real science behind balancing load, recovery, and pain management so you can keep crushing it for the long haul.

If you want to...

In this episode of the Flex Diet Podcast, I sit down with my good friend Dr. Dan Pardi for a deep dive into all things health, longevity, and cognitive performance. We get into the science of stem cells and aging, the real benefits (and limits) of popular supplements, and how nootropics like Ritalin and Modafinil actually work—or don’t—in the real world.

We also talk about how to integrate training and movement into insanely busy lives, the psychology of health behavior, and why being flexible in your approach (not just in your hamstrings) is key to lon...

In this episode of the Flex Diet Podcast, I’m joined by Dr. Eila Wolf, who specializes in functional neurology and Chinese medicine. We dig into how these fields come together to help people dealing with concussions, migraines, and chronic pain — and why traditional approaches often fall short.

Dr. Wolf walks us through the science behind her methods, including how acupuncture, vestibular work, and eye movement assessments can reveal what’s really going on in the brain after an injury. We also talk about her new book, The Concussion Breakthrough, and how it’s helping patients who’ve been st...

In this episode of the Flex Diet Podcast, I’m joined by Erin Silver Lee, the CEO of Flow Neuroscience. We dig into some seriously cool stuff — including Flow’s recent acquisition of the Halo device, which uses non-invasive brain stimulation (TDCS) to boost both athletic and mental performance.

Erin and I talk about how this tech works, what the current research says, and how it’s being applied to improve focus, sleep, neuroplasticity, and overall brain health. We also get into the real-world side of things — from navigating FDA regulations to running clinical trials and shaping the future...

In this episode of the Flex Diet Podcast, I dive into practical ways to boost muscle growth, enhance performance, and improve body composition — all within a flexible, health-focused framework.

I also talk about my Physiologic Flexibility Certification, which is closing for enrollment soon, and unpack key concepts like Human Dynamic Range (HDR) and cross-adaptation. HDR is all about building a wider physiological range — the ability to handle more stress and recover faster — while cross-adaptation looks at how training one system (like heat or hypoxia) can improve others.

Plus, I dig into new research and share action...

In this episode, I’m sharing a special rebroadcast of my chat with Dr. Mikki Williden all about physiologic flexibility, including how to train your body to handle stress and adapt better. We cover metabolic flexibility, heat and cold exposure, sauna and cold therapy, lactate and buffering systems, plus CO₂ and O₂ tolerance. You’ll learn how these systems connect to boost performance, recovery, and body composition in a healthy, sustainable way.

Sponsor:

Triphasic 2 book now available!

In this episode, I break down my Physiologic Flexibility Certification — an advanced course designed to help you build a more adaptable, resilient body. I’ll walk you through the four key pillars of human performance: temperature regulation, pH balance, fuel use, and air/CO₂ control. You’ll hear how this cert expands on my Flex Diet Certification to improve recovery, strength, and overall health using practical strategies and modern wearable tech. Enrollment is open October 13–20, 2025.

Sponsor:

Triphasic 2 book now available...

In this episode of the Flex Diet Podcast, I chat with Dr. Blaine Lints, a former Navy SEAL and performance physiologist, about boosting performance, muscle, and resilience through flexible strategies. We dig into his research on ketones, caffeine, and theacrine, plus his work using Ibogaine for TBI recovery. I also break down how physiologic flexibility ties it all together for next-level performance and recovery.

If you’re into cutting-edge performance science, brain optimization, or just want to hear two nerds talk physiology and Navy SEAL mental toughness, this one’s for you.

Sponsors:

In this episode of the Flex Diet Podcast, I’m diving headfirst into the science of sleep with two heavy hitters—Dr. J Wiles and Dr. Jeff Dermer from Absolute Rest.

We cover it all: why sleep is such a big deal from an evolutionary standpoint, how your modern lifestyle is probably trashing it, and what you can actually do to fix it. We dig into behavioral changes, the role of wearables versus legit lab sleep studies, and practical, no-BS strategies to get better shut-eye.

Jay Wiles and Jeremy Durmer break down Absolute Rest’s compre...

On this episode of the Flex Diet Podcast, I’m joined once again by Dr. Phil Batterson to nerd out on one of my favorite topics: anaerobic metabolism. We dig into what’s really happening during high-intensity training, the role of lactate, and why much of the “anaerobic vs. aerobic” discussion you hear is oversimplified (or just plain wrong).

We also get into the nuts and bolts of how your bioenergetic systems adapt, why cardio equipment can actually be a powerful training tool, and where metabolic carts fit into the picture. Along the way, Phil drops practical examples...

On this episode of the Flex Diet Podcast, I sit down with Dan Hunter to talk all things “corporate athlete.” If you’re trying to crush it at work and not feel like a melted quesadilla by 3 p.m., this one’s for you.

We dig into the real-world challenges of staying sharp under stress, from building sustainable habits to fueling your brain with tools like creatine, ketones, and amino acids. We also explore how physical stress affects cognitive performance, the importance of trust-building, and what actually works when it comes to supplements. Tons of actionable takeaways here for...

On this episode of the Flex Diet Podcast, I’m joined by award-winning journalist and food nerd David Page, the guy who created Diners, Drive-Ins and Dives. We get into the wild evolution of American cuisine, the social role of food, and how to balance eating what you love with not tanking your health.

David also shares his personal story with diabetes and weight loss, plus some practical cooking tips you can actually use. It’s part history lesson, part food therapy, and a whole lot of fun. Don’t forget to check out the sponsors and subscr...

On this week’s Flex Diet Podcast, I sit down with Angelo Keely, co-founder of Kion, to geek out on all things essential amino acids (EAAs). We’ll dig into the nitty-gritty science and—more importantly—what that means for you in the real world.

Want to pack on more muscle? Drop some fat without feeling wrecked? Stay strong and sharp as the years tick by? EAAs can help—if you know how to use them. We’ll break down why they’re not just “protein lite,” how they work differently than your standard whey shake, and the smartest ways...

In this week’s Flex Diet Podcast, I sit down with fitness expert Bryan Boorstein to dig into the idea of “Meathead Cardio.” Brian has been in the lifting world for years, but over time, he began adding more cardio into his routine—and not only did it stick, it actually improved his performance and health. 

We talk about why hybrid training isn’t the enemy of muscle, how to balance lifting and cardio without wrecking recovery, and the strategies Brian used to hold onto his muscle while ramping up his endurance work. He also shares his experience...

Welcome back to the Flex Diet Podcast. I’m Dr. Mike T Nelson, and today I’ve got a great conversation lined up with Coach Troy Beauregard from Canada. We dig into one of my favorite rabbit holes: performance tracking for athletes.

We cover why it’s so important to keep tabs on what’s happening in the gym and how you don’t need super-fancy gear to start collecting meaningful data. Of course, we also geek out on the fun toys, from simple tools to cutting-edge tech and even some AI applications that are creeping into sports sci...

Join me on The Flex Diet Podcast as I break down the iconic 1996 Tabata study that’s been hyped for its fat-burning benefits. Tabata training has become a fitness staple, but is it really all it’s cracked up to be?

I’ll uncover the myths, dive into the science, and explain why true Tabata isn’t exactly beginner-friendly. Learn about its real effects on body composition and how you can modify it for better results.

Plus, I’ll give you the lowdown on Flexible Meathead Cardio: Level 2 that closes for enrollment at midnight on Tuesday, A...

On this episode of the Flex Diet Podcast, I chat with Dr. Mike Roberts, a full professor at Auburn University and head of the Nutri Bolt Applied and Molecular Physiology Lab. Mike’s one of the sharpest minds in muscle science, and we go deep into the nitty-gritty of hypertrophy, including everything from rodent studies to human trials to the molecular pathways that drive muscle growth.

We get into some serious geekery: ribosome biogenesis, muscle stem cells, the extracellular matrix — yeah, all the stuff happening behind the scenes when you train. Mike also shares his take on how...

In this episode of the Flex Diet Podcast, I break down how to train your cardio without wrecking your strength gains. We’re digging into the real roles of your aerobic and anaerobic systems—why most lifters skip the boring base work, and why that’s a big mistake if you want better performance and recovery.

I also share a sneak peek at the upcoming Flexible Meathead Cardio Level 2 course, which covers high-intensity interval training (HIIT), anaerobic power, and how to program it all without turning your training into a dumpster fire.

Whether you're a meathe...

In this episode of the Flex Diet Podcast, I’m joined by the always-interesting Levi Earl, who's tuning in all the way from Finland, to nerd out on all things aerobic training, grip strength, and how to make your meathead conditioning actually work for you, not against you.

We dive into why strength athletes need better aerobic systems (no, it’s not just for skinny endurance types), how mountain training builds freakish capacity, and why grip training is way more than just farmer’s carries until your soul leaves your body.

We also delve into sport-spe...

On this episode of the Flex Diet Podcast, I’m joined by Dr. Antonella Schwarz to geek out over her recent study on myo-reps, which she presented at the International Society of Sports Nutrition. We break down what myo-reps are, where the concept came from, and how they stack up against more traditional hypertrophy protocols.

We also dive into some broader topics, including muscle growth principles, physical therapy applications, injury recovery strategies, and how to train efficiently when time is tight. Dr. Schwarz shares how she uses myo-reps in her own training and why performance-based goals are su...

Welcome back to the Flex Diet Podcast. I’m Dr. Mike T. Nelson, and in this episode, I’m joined by the legendary Coach Cal Dietz from the University of Minnesota. This was originally a bonus call for the Phasic 2 book, but it was packed with so much gold, I had to bring it to the podcast.

We dig into a wide range of performance topics, including everything from the surprising benefits of using water bags in training to how footwear can affect pain and mechanics. Cal and I also discuss strategies for building muscle and improving body...

In this episode of the Flex Diet Podcast, I sit down with Dr. Doug Goldstein for a deep dive into biomechanics, performance, and recovery. We get into the weeds on muscle performance, body comp, and how to reduce injury risk—stuff that matters whether you're an elite athlete or just trying to move and feel better.

We also explore some cutting-edge tools like Springbok Analytics and dive into how intramuscular dry needling can change muscle properties to enhance performance. Plus, we break down contralateral adaptations, mental performance strategies, and smart approaches to overload.

Lots of re...

In this episode of the Flex Diet Podcast, I’m diving into the nitty-gritty of blood work and why it matters for your health, performance, and longevity, especially if you're an athlete, bodybuilder, or serious about your training.

Fresh off the ISSN (International Society of Sports Nutrition) conference, I’m joined by Michael Warner, a sharp coach at Marek Health and the owner of Set the Standard. Together, we unpack some of the most important markers in blood work, how training and nutrition can influence your results, and how to actually interpret those lab numbers in the real...

Flex Diet Certification Enrollment Deadline  (click here) & Optimal Weight Loss Strategies

In this episode of the Flex Diet Podcast, Dr. Mike Nelson discusses the closing of the Flex Diet Certification enrollment, emphasizing its comprehensive program for improving body composition, muscle gain, and performance through nutrition and recovery. Dr. Nelson provides a key tip for weight loss. Listen in for more.

00:24 Flex Diet Certification Enrollment

01:50 Expert Interviews and Course Content

03:41 Tip of the Week

05:01 Prioritizing 2 Interventions 

07:03 Exercise and Caloric Deficit

11:04 Cardio and Activity Recommendations

14:40 Up...

Hey there, Dr. Mike T Nelson here. In this episode of the Flex Diet Podcast, I’m excited to announce that the Flex Diet Certification is officially open! I’m recording this one from Europe, and I’ll walk you through what the cert is all about.

The Flex Diet Cert is my comprehensive program that dives deep into the worlds of nutrition and recovery, all built around the concepts of metabolic flexibility and flexible dieting. But we don’t just stop at macros and science—we also dig into habit-based techniques and the psychology behind behavior change, so...

Welcome back to the Flex Diet Podcast! I'm Dr. Mike T Nelson, and in this episode, I’m joined by Ben Mayfield Smith, a coach, researcher, and all-around grit expert from Australia, for a deep dive into what it really means to build resilience in both training and life.

We unpack the science and psychology behind grit, perseverance, and stress adaptation and how you can strategically apply these principles to become more robust as an athlete, coach, or everyday human. Ben and I get into the weeds on why mental toughness isn’t about grinding yourself into the...

Welcome back to the Flex Diet Podcast! I’m your host, Dr. Mike T. Nelson, and today’s episode is a special rebroadcast of a conversation I had on the Barbell Shrugged podcast with Anders Varner. We dive deep into what I call the Flexible Meathead Cardio Approach — a method designed specifically for strength athletes and lifters who know they need cardio but don’t want it to kill their gains.

In this episode, I break down how to build a cardio plan that enhances, not competes with, your strength and performance goals. We cover why aerobic conditio...

Welcome back to the Flex Diet Podcast! I’m your host, Dr. Mike T. Nelson, and in this episode, I sit down with my good friend Dr. Kenneth Jay, a PhD in Physiology and Biomechanics, coach to Olympic-level athletes, and creator of the Row Forge app.

We go deep on all things cardiovascular performance, especially how to improve aerobic capacity without losing your hard-earned strength. You’ll hear us geek out over the Concept2 rower (yes, it’s a love-hate relationship), and dig into the science of rowing mechanics, training protocols, and how to crush your 2k time...

Welcome back to the Flex Diet Podcast. I'm Dr. Mike T. Nelson, and today I’m diving into the frigid but fascinating world of cold water immersion with Dr. Thomas P. Seeger — a true pioneer in sustainable engineering and a leading voice on cold exposure.

We break down the latest science behind cold plunges, including how they impact brown fat, metabolism, HRV, testosterone and overall resilience. Tom also shares key takeaways from his excellent book Uncommon Cold, and gives us a peek into the thinking behind his company, Morozko Forge — makers of some seriously high-tech cold tubs.

W...

In this episode of the Flex Diet Podcast, I sit down with Dr. James Fadiman and Jordan Gruber to talk all things microdosing—what it is, what it isn’t, and why it’s gaining so much traction in health, performance and even mental clarity.

We dig into their new book, Microdosing for Healing, Health, and Enhanced Performance, and cover everything from the history of psychedelics to the latest research and how people are using tiny doses of these compounds to potentially improve cognitive function, mood and physical performance.

We also talk about personal experience—what the...

In this episode of the Flex Diet Podcast, I sit down with Aaron Straker for a deep dive into his journey from natural bodybuilding to the enhanced side of the sport. We talk openly about the trade-offs, risks, and insights he's gained along the way—including the use of compounds like testosterone and growth hormone.

We also get into the mental and physical shifts that come with that transition, and how Aaron approaches training, nutrition, and recovery with intention. He shares his thoughts on everything from sauna use to how he stays grounded while optimizing performance. Whether yo...

In this episode of Iron Radio, hosts Coach Phil Stevens, Dr. Mike Nelson, Coach Jerell, and Dr. Lonnie Lowery discuss recent studies on the impact of cold water immersion on muscle protein synthesis and recovery. Dr. Nelson shares insights from a study published in March 2025, examining how post-exercise cooling affects blood flow and amino acid incorporation into muscle tissue. 

The team debates the pros and cons of cold water immersion, particularly for muscle hypertrophy and recovery, and shares personal experiences and practical applications. Later, they delve into the mind-muscle connection, exploring its use in both bodybuilding and s...

Welcome back to the Flex Diet Podcast. I’m Dr. Mike T. Nelson, and today I’m joined by my good friend and colleague, Dr. Mike Ormsbee. We’re digging deep into how to optimize metabolism using strategies from the Flex Diet Certification, as well as why both aerobic and resistance training are crucial for long-term success.

We also delve into some advanced topics, such as how growth hormone and lipolysis contribute to effective fat utilization, and how cutting-edge techniques like microdialysis enable us to study metabolism at a local level. Along the way, we hit on key co...

Welcome back to the Flex Diet Podcast! I’m Dr. Mike T. Nelson, and in this episode, I sit down with Dr. Hemal Patel, Chief Scientific Advisor to Discovery and the brilliant mind behind the ME screen blood test for mitochondrial function.

We dive into Dr. Patel’s fascinating journey into the world of mitochondrial research, how mitochondria impact everything from metabolism to resilience, and why he developed a personalized blood test to better understand mitochondrial health. We also get into some really cool topics like how heat and cold exposure affect your mitochondria, the intersection of medi...

Join me, Dr. Mike T. Nelson, on this episode of the Flex Diet Podcast as I sit down with peptide expert Anthony Castore for a deep dive into the world of peptides and performance. We cover everything from what peptides actually are to how they may support recovery, muscle growth, and immune function. We also explore the difference between standard peptides and bioregulators—plus how I’ve personally used compounds like BPC-157, Thymosin Beta-4, and ketone esters (including brands like Teton and KetoneAid) in my own routines.

Anthony brings some fantastic insights on sourcing quality peptides, proper hydr...

Join me, Dr. Mike T Nelson, as I sit down with Dr. Guillermo Escalante on this week's episode of the Flex Diet Podcast to explore the fascinating potential of GAA (Guanidinoacetic Acid) as a precursor to creatine. We break down what the current research says, how GAA stacks up against creatine monohydrate, and what this could mean for performance and recovery.

We also dive into the inner workings of the supplement industry—covering everything from regulation to formulation—and wrap up with a thought-provoking discussion on the upcoming Enhanced Games, a new competition concept that challenges traditional anti...

Welcome back to the Flex Diet Podcast! I'm Dr. Mike T. Nelson, and in this episode, I’m joined by the brilliant Tex from CaptainsAndCoaches.com. We dive deep into the art and science of leadership and coaching—everything from how social media is shaping the coaching world to the growing role of AI, and how to sharpen your prep and execution.

Tex brings serious experience to the table, having worked with athletes and coaches at the high school, college, and even NFL level. We also talk about tools to build social awareness and better team dynamics.

In this episode of the Flex Diet Podcast, I chat with Dr. Sharon Bergquist about her fascinating new book, The Stress Paradox: Why You Need Stress to Live Longer, Healthier, and Happier. We unpack why not all stress is bad — and how the right kinds, in the right doses, can actually make us stronger and more resilient. We dive into the biochemistry of stress, the different types of stressors, and how they affect cellular health, metabolic flexibility, and longevity.

We also explore the role of exercise, supplements, interval training, and environmental stressors like cold and heat exposure. Dr...

In this solo episode of the Flex Diet Podcast, I’m letting you know that the Physiologic Flexibility Certification is tonight at midnight PST on March 24, 2025. If you’ve been thinking about joining, now’s the time.

I also dig into the core of what the cert teaches: how to train your body’s homeostatic regulators like temperature, pH, oxygen, CO₂, ketones, and lactate to improve recovery, build stress resilience, and boost performance. We’ll cover tools like cold water immersion, breathwork, and heat exposure, and I break down the concept of cross adaptations—how training one system can ben...

Join me, Dr Mike T Nelson, on this week's Flex Diet Podcast as I sit down with Jordyn Payne from Advanced Brain Centers of Virginia to dig into the real benefits and applications of IV therapies and Hyperbaric Oxygen Therapy (HBOT). We get into the details of Myers Cocktails, NAD infusions, and other IV treatments—how they can boost brain function, improve performance, and speed up recovery. Jordyn also shares insights on HBOT’s role in treating traumatic brain injuries and concussions, plus how it can be a game-changer for overall brain health. We also discuss the importance of prev...

Welcome back to the Flex Diet Podcast. I'm your host, Dr. Mike T. Nelson. In this episode, I’m excited to announce that the Physiologic Flexibility Certification will be open from March 17th to March 24th, 2025.

I’ll also be heading to Parker University Talks in Las Vegas, where I’ll be speaking alongside some incredible experts in the field.

Today, we’re diving deep into Physiologic Flexibility—the key to upgrading your performance by targeting homeostatic regulators like temperature, pH balance, expanded fuel sources, and oxygen/CO₂ regulation. These elements are critical for adapting to stress an...

In this episode of the Flex Diet Podcast, I sit down with Dr. Drew Gonzalez to explore strategies for optimizing performance and managing stress in high-demand professions like firefighting, military, and executive leadership. Dr. Gonzalez shares his latest research on how supplements like astaxanthin and creatine can benefit firefighters, the effects of time-restricted feeding, and how heat stress and VR training can be leveraged for better stress adaptation.

We also explore his ongoing work at Texas A&M, where he leads cutting-edge research and collaborations to improve first-responder health and fitness.

Sponsors:

In this episode of the Flex Diet Podcast, I sit down with Dr. Dylan Seeley to explore how neurology can enhance athletic performance. We dive deep into working with MMA fighters, focusing on how the brain influences movement, reaction time, and overall performance. Dr. Seeley shares insights into visual and vestibular training, explaining why peripheral vision, balance, and coordination are critical for elite athletes.

We also tackle the impact of microdosing, discussing its potential effects on cognitive function and brain optimization. From there, we break down HRV and autonomic nervous system testing, looking at how stress, recovery...

Welcome back to the FlexDiet Podcast! In this episode, I sit down with Dr. Allison Brager, a PhD neuroscientist, CrossFit athlete, and military sleep expert, to unpack everything you need to know about the science of sleep.

We dive deep into the phases of sleep, circadian rhythms, and chronotypes, plus we take a critical look at popular sleep advice—what’s backed by science and what’s just noise? Dr. Brager also shares fascinating insights on sleep in the military, how to optimize recovery for athletes, and the biochemistry behind quality sleep.

Looking for practical strate...

Join me, Dr. Mike T. Nelson, on the Flex Diet Podcast as I sit down with Dr. Jeremy Townsend to explore the fascinating world of adaptogens. We’re diving deep into how compounds like Rhodiola rosea, ashwagandha, and eleuthero can enhance performance, support muscle growth, and improve body composition—all without compromising overall health.

Throughout our conversation, we discuss what the research says about these powerful herbs, including how they influence stress resilience, recovery, and athletic performance. Dr. Townsend also unpacks the science behind optimal dosages, potential mental and physical stress effects, and the nuances of using adap...

In this episode of the Flex Diet Podcast, I’m recording from sunny Mexico and sitting down with James LaValle, a powerhouse in metabolism and performance health. We dive deep into liposomal delivery, blood work, magnesium benefits, key dietary supplements, and why balancing your sympathetic and parasympathetic nervous systems is crucial for optimal performance.

James shares his journey from writing Cracking the Metabolic Code to his latest research and innovations, including magnesium, probiotics, and phospholipids—and how they fit into a performance-driven approach to health. Whether you’re an athlete, coach, or just someone looking to level up you...

In this episode of the Flex Diet Podcast, I sit down with Dr. Tommy Wood and Dr. Ben House for a deep dive into the nuances of scientific research, especially concerning body composition, muscle gain, and dietary strategies like low-carb and keto for advanced trainees.

We break down common research methodologies, highlight the challenges of accurately measuring training volume, and explore why individual responses vary. Along the way, we tackle the practical aspects of collecting and interpreting data, debunk common misconceptions, and emphasize the critical role of context and nuance in applying research to real-world scenarios.

Join me, Dr. Mike T. Nelson, as I sit down with Simon Wegerif, the visionary founder of iThlete and a pioneer in heart rate variability (HRV) technology. In this episode, we revisit Simon’s journey from creating the very first HRV app for iOS to his latest work at Lifelight, where they’re breaking new ground in measuring blood pressure and heart rate with cutting-edge technology.

We’ll dive into the practical applications of HRV for training, hear Simon’s inspiring story about a health scare that changed his outlook, and discuss game-changers like sleep hygiene, deep breathin...

Welcome back to the Flex Diet Podcast! I’m Dr. Mike T. Nelson, your host, and in this episode, I’m diving into ways to boost performance, build muscle, and improve body composition—all within a flexible framework. I’m excited to be joined by Brett Bartholomew, the mind behind The Art of Coaching and author of Conscious Coaching. Together, we explore the many interactions coaches and trainers face, the value of practice in learning, and some of the latest fitness trends like cold plunges and red light therapy.

We also dive into the critical role of communic...

In this episode of the Flex Diet Podcast, I sit down with Jennifer Broxterman from Prosper Nutrition Coaching to dive into the world of nutrition coaching. We cover everything from the pros and cons of macro counting to the importance of understanding a client’s history and staying curious in coaching relationships. 

Jennifer brings a wealth of knowledge as a registered dietitian and shares powerful insights, including the motivational interviewing techniques she picked up from a university research study. We also tackle how to handle client setbacks with creative approaches, like the ‘toothbrush metaphor.’

Sponsors:

Welcome back to the Flex Diet Podcast! In this episode, I’m diving into some key concepts from my Flex Diet Certification, including the unique 8-intervention approach that combines metabolic flexibility and flexible dieting. I’ll share insights on the importance of actionable steps, research-backed nutrition strategies, and the innovative concept of 'coaching leverage' to help you guide your clients more effectively.

Just a quick reminder—enrollments for the Flex Diet Certification close tonight, January 13th, 2025, at midnight PST, so don’t miss your chance to join! The next round won’t open until June 2025.

Enroll her...

In this solo episode of the Flex Diet Podcast, I announce the opening of the Flex Diet Certification and highlight its key features and benefits. I explain the difference between the Flex Diet Cert, which focuses on nutrition and recovery, and the Physiologic Flexibility Cert, which deals with advanced resilience and recovery strategies. 

Emphasizing a habit-based approach, I cover core topics such as metabolic flexibility, macronutrient usage, and improved body composition. Additionally, I discuss the bonus items available for early enrollees and my certifications' overall expansion model aimed at long-term health and performance success.

Sponsors: Duration: 00:21:31

Join me, Dr. Mike T. Nelson, on the Flex Diet Podcast as Coach Cal Dietz from the University of Minnesota and I discuss our new book, 'Triphasic Training 2.' We delve into advanced training methodologies, including the lateral sling method, periodized program setup, and Olympic lifting's pros and cons. 

Sponsors:

Triphasic 2 book now available!

Episode Chapters:

In this special Festivus episode of the Flex Diet Podcast, I delve into the components of feats of strength, discuss benchmarks for basic lifts for males and females and explain why performance goals are crucial even for body composition. I also share insights on ketone esters from Tecton, electrolyte needs for athletes, and the upcoming Flex Diet Certification. 

Last, I wrap up with recommendations for various types of lifts to reach your fitness goals, emphasizing the importance of tracking performance for optimal results.

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Welcome back to the Flex Diet Podcast, hosted by me, Dr. Mike T. Nelson. In this episode, I introduce our new Triphasic 2 training book, co-authored with Coach Cal DIetz. The book condenses nine years of advanced athletic training methods into 14 high-performance techniques.

I provide a rundown of the book, covering its principles of Triphasic Training, which integrates eccentric, isometric, and concentric phases of exercises. I also dive into innovative training methods like the GOAT warm-up, dynamic neurology drills, and the Tri Block System for strength, speed, and power optimization.

I also highlight the importance of...

Join me, Dr. Mike T. Nelson, on the Flex Diet Podcast as I connect with Eric Chessen to delve into fitness for autism and neurodivergent populations. Eric shares insights on his certification program for trainers working with these communities. \

From discussing gym trends to understanding autism spectrum challenges, listeners will gain practical advice. Topics also include sensory-motor processing, effective coaching strategies, and the impact of neuromuscular control. Stay tuned for a rich conversation touching on the essence of adaptability in fitness.

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Join me for an encore episode of the Flex Diet Podcast, where Ryan L'Ecuyer and I discuss various aspects of hypertrophy training, client programming, and integrating flexible dieting into fitness routines. This rebroadcast is filled with valuable insights into building muscle without compromising health.

We share our experiences and strategies for adapting training programs, the importance of aerobic conditioning, and practical tips for maintaining effective workouts while managing client expectations. The episode highlights their shared knowledge and anecdotal experiences, providing useful takeaways for coaches, trainers, and fitness enthusiasts.

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Join me, Dr. Mike T. Nelson, on the Flex Diet Podcast for an insightful conversation with Dr. Dani LaMartina, an accomplished physical therapist, IFBB pro, and owner at Paradigm Performance. We discuss key topics on enhancing performance, adding muscle, improving body composition, and moving better, all within a flexible and health-conscious framework. 

Learn about systematic coaching, the balance of specialization vs. generalization, hierarchical coaching, navigating client boundaries, and integrating functional neurology and movement models. Dr. Dani shares her wealth of knowledge from working with high-level clients and her experiences in achieving peak performance. 

Also, explore th...

Welcome back to the Flex Diet Podcast with me, Dr. Mike T. Nelson. In this episode, I sit down with Mike Doehla, a fitness coach who retired early and now enjoys playing pickleball. We discuss what future trainers should focus on, the effects of communication, the importance of humanizing your brand, balancing personal tasks, and exploring the future of coaching with AI. 

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Welcome back to the Flex Diet Podcast hosted by me, Dr. Mike T. Nelson. In this episode, we dive into the mental side of performance with Tarun Gulati, founder and CEO of Contemplate Life. Tarun shares his unique method of contemplation and how it helps improve mental fitness and overall performance.

He discusses the importance of a deep connection with oneself, a decision-making framework, and how to apply these concepts in personal life, sports, and organizations. Get insights into the psychological aspects often overlooked in fitness and sports training, and learn about the principles and pillars of...

Welcome back to the Flex Diet Podcast, hosted by me, Dr. Mike T. Nelson. In this episode, we dive deep into optimizing athletic performance, muscle mass, and body composition with expert Ben Mayfield-Smith. Join us as we discuss physiology, psychology, time management, sleep routines, coaching, client setbacks, goal setting, and lifestyle factors. 

Hear first-hand about Ben's experience at the Super Coach Summit and insights on various topics, from effective coaching techniques to the importance of mentorship. Don't miss out on this wide-ranging conversation packed with valuable information for coaches and athletes!

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Join me, Dr Mike T Nelson, on this week's episode of the Flex Diet Podcast as Dr. Catrina Fabian and I delve into comprehensive pelvic floor health. We discuss pelvic floor dysfunction, postpartum recovery, neuromuscular control, and the importance of functional muscle assessments. 

Our discussion covers key topics like visceral massage, fascial connections, and the impact of jaw tension on pelvic health. Learn expert tips on breathing, hydration, stress management, and non-surgical treatment options and discover how to improve joint mobility, address overactive pelvic floor muscles, and enhance overall well-being. 

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Join me, Dr. Mike T Nelson, on the Flex Diet Podcast as Dr. David Church and I delve into anabolic strategies, nutrition, and fitness. This episode covers various topics, including exercise, protein, essential amino acids, and balancing hypertrophy with performance training. 

Get insights on lifting techniques, injury prevention, recovery strategies, and the cognitive benefits of exercise. Additionally, explore the role of ultra high protein diets, plant-based protein comparisons like beef vs. Impossible Burger, and innovative protein supplements. 

Packed with personal anecdotes and the latest research, this episode aims to provide valuable knowledge for anyone looking to...

Phys Flex Cert full details below 

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Here today I also explores the balance between eustress and distress in physical training and recovery, emphasizing effective stress management for optimal performance.

This includes insights on heat adaptation strategies, including when to retain or dump heat for maximum benefits.  You will learn about practical tools for monitoring performance, such as the Concept2 PM5, and alternative methods like cold water immersion and saunas. You must understand the framework of physiology and once you do, then you can play and set up yo...

Join me, Dr. Mike T. Nelson, on the Flex Diet Podcast this week with Dr. Jonathan Chung, an expert in chiropractic neurology and upper cervical care, to explore the intricate world of breathwork. This episode dives deep into the neurology of breathing, heart rate variability (HRV), and recovery techniques.

Learn about various breathing practices, including HRV biofeedback, resonance frequency breathing, and the Wim Hof method, and discover how they can improve cognitive and physical performance, manage anxiety, and enhance CO2 tolerance.

Dr. Chung also shares his personal journey and practical advice on selecting breathwork methods...

Join me, Dr. Mike T. Nelson, on this episode of the Flex Diet Podcast as I introduce the Physiologic Flexibility Certification, a comprehensive course designed to enhance recovery and resilience. I summarize the 4 pillars of the course: temperature regulation, pH balance, energy sources and breathing. 

I also discuss the importance of integrating these systems to improve performance and resilience and address common misconceptions. The course is available from October 14th to October 21st, 2024. Tune in for insights into advanced aspects of nutrition, exercise, and recovery and how these can be applied to improve stress management and overall h...

Join me, Dr. Mike T Nelson, on today's episode of the Flex Diet Podcast with coach Joel Jamieson. Joel shares insights from his journey with the Omega wave system and discusses his creation of the Morpheus app. You'll learn how HRV can be used to optimize training, especially in conjunction with aerobic fitness. 

This episode explores the role of steady-state aerobic training versus high-intensity workouts and the importance of individualizing training protocols based on HRV outcomes. We also discuss the significant variation in physiological responses among elite athletes. 

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In this episode of the Flex Diet Podcast, I'm joined by Dr. Katie Hirsch, an assistant professor at the University of South Carolina. We delve into the potential differences between how men and women should approach exercise and nutrition. Dr. Hirsch shares her extensive research on protein synthesis, metabolic flexibility, and the effects of hormones on physical performance. 

We also discuss the practical implications of studies on fasting, keto diets, and creatine supplementation for women. Additionally, Dr. Hirsch offers insight into training adaptations relative to the female menstrual cycle and addresses the unique challenges faced by women d...

Join me, Dr. Mike T Nelson, on this Flex Diet Podcast as I sit down with Austin Stout to discuss the balance between performance and health, especially in high-level competitive athletes, powerlifters, and bodybuilders. We delve into the importance of integrating health into performance routines, the ramifications of frequent competitions, and strategies to maintain health while pushing athletic limits.

We also touch on how lab testing, HRV, mental health, and finding balance through recreational activities are key components in an athlete's journey. Austin shares his expertise in working with elite competitors and the general population, emphasizing the...

Welcome back to the Flex Diet Podcast. I'm your host, Dr. Mike T Nelson. In this episode, Dr. Mike Lane, Associate Professor at EKU, and I explore the science and practice of progressive overload and training modulation. We discuss strategies for enhancing muscle performance and body composition, emphasize the importance of consistent training, and consider genetic factors in fitness. Dr. Lane shares insights on balancing academic research with real-world application, offering valuable tips for graduate students and fitness professionals. 

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Join me, Dr. Mike T. Nelson, on this episode of the Flex Diet Podcast as I dive deep into the world of sleep enhancement and stress reduction with Dr. Dan Cohen from Soltec Health. We discuss the company's innovative magnetic device designed to improve sleep quality and reduce stress.

Dr. Cohen explains the science behind how Earth's magnetic fields can influence our autonomic nervous system and how this passive device can enhance deep sleep, recovery, and overall health. The episode also covers heart rate variability, the importance of deep sleep, and practical tips for better sleep hygiene.  Duration: 01:04:18

Sam's backgroundMetabolic testingWhat's the purpose?What's the benefit of having the information?What health markers should we pay attention to?Calorie trackingWeight measurementsWhat tests are usefulInterpreting resultsFasting insulin vs. C PeptideThoughts on testosterone levelsOther tests Sam usesWhat happens when things don't add up?GI testsAnything new on the horizon?FInd Sam Miller on IGSam Miller ScienceSam Miller Science Podcast on iTunes

This podcast is brought to you by the Physiologic Flexibility Certification course. In the course, I talk about the body's homeostatic regulators and how you can train them. The benefit is enhanced recovery and greater robustness. We cover...

It's just me, Dr. Mike T Nelson, on today's episode of the Flex Diet Podcast. I share some updates and reflections from my coaching and training journey. I also recount my experience at the Coach Catalyst Super Coach Meeting Summit, a fantastic event that blended presentations on training, business, and mindset and offered a great opportunity to connect with fellow coaches and enthusiasts.

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Join me, Dr Mike T Nelson, on the Flex Diet Podcast as I flip the script and have my good friend and client, Dan Churchwell, take over the reins to interview me about his incredible weight loss journey. Listen in as Dan shares his background, growing up active in the Black Hills of South Dakota, and his struggle with weight gain from puberty despite being an avid mountain biker and competitive swimmer.

We discussed how he lost over 60 pounds and reduced his medications from six to one. This episode offers valuable tips and principles for anyone looking...

Join me, Dr Mike T Nelson, on the Flex Diet Podcast for an engaging "Ask Me Anything" session where I address a wide range of listener questions accumulated over recent months. Listen in as I recount my visits to Dr. Jeremy Schmoe, a functional neurologist, to address my unique visual processing challenge. 

I share insights on intermittent fasting and sauna safety. Drawing inspiration from Brad Pilon's Eat Stop Eat method, I discuss my preferred fasting approach for body composition and stress the importance of gradual adaptation. This episode also provides updates on my summer projects, including my c...

Join me, Dr Mike T Nelson, on the Flex Diet Podcast as I explore the pros and cons of GLP-1 agonists like Wagovi and Ozempic with Dr. Chris Morrissey, a fitness professional and general surgeon. Dr. Morrissey shares his unique insights on the benefits and potential risks of these medications, along with his top recommendations for optimizing results and mitigating risks. 

We also discuss the challenges of training in extreme heat, sharing personal experiences and tips for acclimatization, and compare notes on how our bodies adapt to varying temperatures, with a preference for cold-weather training.

S...

Today's Flex Diet Podcast Episode is a re-broadcast of a great conversation I had with Dr. Ryan Greene and Dr. Andy Galpin about peptides for performance and recovery, who can use them, how they're regulated, and more. Check it out!

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Join me, Dr. Mike T Nelson, on the Flex Diet Podcast as I explore the world of aerobic conditioning for combat athletes with Strength Coach James Tognarini from Frontline Conditioning. We'll uncover various conditioning protocols tailored for Brazilian Jiu-Jitsu (BJJ) and mixed martial arts (MMA) athletes, sharing specific interval setups and principles that can benefit anyone lifting weights and seeking to improve their aerobic fitness. 

Our discussion also highlights the shift from traditional training methods to more scientifically informed approaches in combat sports.

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Join me, Dr Mike T Nelson, on the Flex Diet Podcast for an interesting conversation with PhD candidate Nathan Serrano about his groundbreaking review study published in the American Journal of Physiology, Endocrinology, and Metabolism. We explore the intricate ways muscle fiber types, specifically slow-twitch and fast-twitch fibers, impact metabolism and function, particularly in individuals with obesity. 

Nathan sheds light on the role of intramuscular triglycerides in carbohydrate metabolism and insulin signaling and the differences between untrained individuals and athletes. We also touch on his research into muscle protein synthesis and how it varies between obese and h...

Join me, Dr Mike T Nelson, on the Flex Diet Podcast as I welcome Dr. Chris Perry, a distinguished researcher and coach from Rapid Health Optimization, to discuss the fascinating world of sleep research. Listen in as we discuss topics like standard sleep hygiene, the impacts of sleep restriction, and the intriguing U-shaped curve related to sleep duration risks. 

Dr. Perry offers invaluable insights into the challenges faced by shift workers and military personnel, sharing practical strategies to improve sleep quality based on both academic research and real-world coaching experience.

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Join me, Dr Mike T Nelson, on the Flex Diet Podcast as I welcome Paul Oneid to discuss all things strength and body composition. We explore the intricacies of developing strength, emphasizing its role as a skill-specific measurement of output.

Listen in as we discuss the importance of task-specific practice and how different athletes may require varied training approaches based on their unique physiological traits. Paul shares insights on central nervous system fatigue, the necessity of customized training protocols to achieve peak strength, and much more.

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This week's episode of The Flex Diet Podcast is a special co-broadcast with Dr. Lonnie Lowery and Iron Radio. We come to you live from the annual International Society of Sports Nutrition conference. From the surprising revelation that creatine is illegal for individuals under 18 in New York, shared by Guillermo Escalante, to the debunking of common misconceptions about creatine, this episode is packed with the latest information on dietary science. 

We discuss the potential benefits of creatine for kids and pregnant women and emphasize the importance of accurate safety data and validating study materials. We also shed l...

Full info on the Flex Diet Cert at   https://miket.me/fdc​​

Join me, Dr. Mike T Nelson, on the Flex Diet Podcast as I bring you an exciting special announcement: the Flex Diet Certification Course is open now from June 17 to June 24, 2024. Discover a comprehensive system designed to optimize body composition, muscle gain, and strength without sacrificing health.

This certification uniquely blends metabolic flexibility and flexible dieting, featuring eight crucial interventions: protein, fats, carbohydrates, meats, micronutrition, keto, sleep, and exercise. Each intervention is distilled into a one-hour technical lecture, balancing research-based knowledge with practical application. I also emphasize the importance of coaching leverage to ensure these interventions are...

Join me, Dr Mike T Nelson, on the Flex Diet Podcast as Kristi Storzchuk, a PhD candidate in muscle physiology at Queens University, and I discuss her research on high-intensity interval training, mitochondria, glucose, lactate, and metabolic flexibility. This episode provides an in-depth look at the latest insights and findings from her work, offering a comprehensive understanding of metabolic flexibility and its implications for nutrition and recovery.

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Join me, Dr Mike T Nelson, on this episode of the Flex Diet Podcast, where we shift gears from our usual fitness discussions to explore becoming a better fitness writer. With writer and editor Chris Colucci, we emphasize the importance of writing skills in effectively conveying fitness knowledge across multiple platforms, including social media, newsletters, and videos. 

Chris shares his professional insights, touching on the role of AI in writing and the current state of writing abilities. We also offer practical tips and resources for those wanting to enhance their fitness writing skills.

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Join me  and my guest, Alli Fahrenbach, on the Flex Diet Podcast this week as we break down the evolving landscape of female fitness and confront the lingering myths that keep many women from embracing strength training. We discuss the nuances of body composition, progressive overload, and the misleading pursuit of scale weight that can sabotage genuine progress. 

If you've ever wondered how to translate the discipline from the world of figure and physique competition into your everyday fitness routine, this discussion sheds light on practical, transformative strategies that prioritize fat loss and muscle building over the sc...

Join me, Dr. Mike T Nelson, and my guest, Ashley VanHouten, as we dive into the intricacies of women's health and fitness in this latest installment of the Flex Diet Podcast. We discuss goal setting and the delicate balance between achieving optimal body composition and embracing a healthy lifestyle. Ashley brings her expertise to the table, sharing insights on how living by the ocean has influenced her fitness routines and overall well-being. 

Listen in as we talk about how to structure training and nutrition programs specifically tailored to support longevity, lean body mass gains, and fat loss. Duration: 01:14:01

On this episode of the Flex Diet Podcast, we unlock the transformative power of flow states with insights from the remarkable Brandon Day. We navigate the challenge-skills balance and reveal how to transform everyday tasks into peak experiences. Our discussion peels back the layers of this mysterious optimal state of consciousness, where everything just 'clicks,' and performance soars. 

From the significance of time dilation and the neuroscience of alpha and theta brainwave patterns to practical tips for harnessing this state in your life, we cover it all. Whether you're a coach, athlete, or anyone looking to e...

Join me on the Flex Diet Podcast this week as Dr. Phil Batterson and I unpack the critical role of aerobic fitness in sculpting your physique. Discover how enhancing your aerobic base can not only boost muscle strength and cut down fat but also significantly improve recovery times and stress management. Listen in as we explore a case study that demonstrates the transformative power of aerobic training for a lifter's rowing performance. For those wondering how to hit the sweet spot of VO2 max without veering into the territory of endurance specialization, stick around for expert insights tailored for...

Join me, Dr. Mike T Nelson, as we explore the fascinating world of GLP-1 agonists like Wegovy with diabetes education expert Christa Rymal. We discuss the nuances of these weight loss drugs, their benefits, and potential drawbacks, especially in relation to diabetes management and off-label uses.

Christa's insights provide a deeper understanding of how these medications work beyond glucose control, their impact on appetite, and the critical need for monitoring in prescribed use. We also contemplate the future of health and wellness models that might integrate these drugs and the significant role fitness professionals can play in...

Join me, Dr. Mike T Nelson, on the Flex Diet Podcast as I reconnect with my good friend and kettlebell virtuoso, Steve Cotter. Listen in as Steve and I reminisce about the early days of kettlebell training and how his dedication to this craft has evolved alongside the fitness industry. 

With a focus on longevity and peak performance, Steve's insights on the most effective kettlebell exercises are invaluable, whether you're aiming to enhance your body composition and athletic prowess or manage pain. Plus, discover how Steve, at the spry age of 54, embodies the principles he teaches through h...