Advertise on podcast: The Vitality Collective Podcast w/Dr. Jeremy Bettle

The Vitality Collective Podcast is a health and fitness podcast and performance podcast focused on strength, longevity, and real-world performance, bridging the gap between health and performance. Hosted by Dr. Jeremy Bettle, PhD -- an internationally recognized expert in Human Performance with over 20 years of experience working with elite athletes and high performers -- this podcast brings world-class expertise straight to you. Built from elite sport and applied to real life, it breaks down what actually drives resilience, health, performance, and long-term capability. The debate online is loud -- go high carb, go keto, pick a side -- but your body was never designed to pick a side. This episode with Dr. Mike T. Nelson, PhD, a researcher and coach who specializes in metabolic flexibility and heart rate variability, breaks down why the fat-versus-carbohydrate debate is the wrong conversation to be having and what it actually means to train your metabolism to do both well. If you have been asking yourself why you can't sustain energy through the day, why your body composition isn't shifting despite your effort, or why the diet advice you keep finding online seems to contradict itself -- this is the episode for you. Guest Bio Mike T. Nelson, PhD, MSME, CSCS, CISSN, is a research fanatic who specializes in metabolic flexibility and heart rate variability, as well as an online trainer, adjunct professor, Associate Professor at the Carrick Institute, presenter, creator of the Flex Diet Cert, kiteboarder, and (somewhat incongruously) heavy-metal enthusiast. He has a PhD in Exercise Physiology, and a MS in Mechanical Engineering (biomechanics). The techniques he's developed, and the results Mike gets for his clients have been featured in international magazines, in scientific publications, and on websites across the globe. In his free time, he enjoys spending time with his wife, lifting odd objects, reading research, and kiteboarding as much as possible. Links and Resources Dr. Mike T. Nelson's website: www.miketnelson.com Flex Diet Certification: https://miketnelson.com/flex-diet-certification Flex Diet Podcast: https://podcasts.apple.com/us/podcast/flex-diet-podcast/id1488376804 Dr. Mike T. Nelson on Instagram: @drmiketnelson Three Actionable Takeaways Start your day with a morning walk. As soon as you get out of bed, go for a short walk -- five minutes, ten minutes, half an hour, whatever you can manage. It regulates circadian rhythms, provides early sunlight exposure, gets movement in a low-insulin state, and requires nothing except putting your shoes on and walking out the door. Dr. Nelson called this his single top intervention for the general population. Increase your protein intake from real food sources. Higher protein is one of the highest-leverage nutritional changes most people can make. Dr. Nelson was direct about sourcing: actual grilled or cooked animal proteins, not protein-fortified processed snacks. The compliance barrier is low and the physiologic return is high. Do formal exercise and track your output. Whether you start with lifting or cardio does not matter. What matters is measuring what you actually do. For resistance training: track load, sets, and reps. For cardio: track a concrete output like distance rowed in a set time. Over time, progress that number. The goal is more formal movement done intelligently so you capture both the caloric benefit and the long-term adaptations.

The Vitality Collective Podcast is a health and fitness podcast and performance podcast focused on strength, longevity, and real-world performance, bridging the gap between health and performance. Hosted by Dr. Jeremy Bettle, PhD -- an internationally recognized expert in Human Performance with over 20 years of experience working with elite athletes and high performers -- this podcast brings world-class expertise straight to you. Built from elite sport and applied to real life, it breaks down what actually drives resilience, health, performance, and long-term capability. Most people treating AI as a search engine are asking the wrong questions entirely. This episode with Dr. Adam Russell, AI Division Director at USC's Information Sciences Institute and former Chief Vision Officer of the US AI Safety Institute, breaks down why AI works as a thinking partner rather than an answer machine, and why that distinction changes everything for your health, your performance, and your organization. If you have been asking yourself how to actually use AI without handing over your judgment, this is the episode for you. What's inside: Why optimization is the wrong goal in human performance, and what to aim for instead The jagged frontier: why AI can outperform experts in some areas and completely fail in others, often without warning The difference between ME AI (using AI for your own tasks) and WE AI (using AI to expand collective intelligence) and why only one of them actually improves outcomes How AI is acting as a radioactive tracer inside healthcare, exposing where incentives are misaligned long before anyone was willing to name them Guest Bio Dr. Adam Russell is AI Division Director at USC's Information Sciences Institute. He previously served as Chief Vision Officer of the US AI Safety Institute and helped stand up ARPA-H. Earlier he spent a decade as a Program Manager at IARPA and then DARPA, where he became known as the DARPAnthropologist. Adam holds a BA in cultural anthropology from Duke and a D.Phil. from Oxford, where he was a Rhodes Scholar, and played rugby for Oxford and the US Men's National Rugby Team. Links and Resources Adam Russell on LinkedIn: search Adam Russell, University of Southern California  Three Actionable Takeaways Develop an explorer mindset, not an expert mindset. AI is going to keep changing faster than any map can capture. Commit to staying curious, testing tools, and being willing to not know rather than doubling down on outdated expertise. Focus on becoming a better human. AI amplifies what you already are. If you want AI to work well for you, invest first in being the kind of person whose values and judgment you want amplified. Use AI to connect you to other people, not replace them. Rather than using AI to get a final answer, use it to start a better conversation. Bring what you worked through with AI into your interactions with practitioners, colleagues, and coaches as a starting point, not a conclusion.

The Vitality Collective Podcast is a health and fitness podcast and performance podcast focused on strength, longevity, and real-world performance, bridging the gap between health and performance. Hosted by Dr. Jeremy Bettle, PhD -- an internationally recognized expert in Human Performance with over 20 years of experience working with elite athletes and high performers -- this podcast brings world-class expertise straight to you. Built from elite sport and applied to real life, it breaks down what actually drives resilience, health, performance, and long-term capability. Most high performers chase success their entire careers and never actually feel it. This episode with Dr. Keith Witt breaks down why the drive that builds careers can also hollow them out -- and what it actually takes to perform at the highest level without losing yourself in the process. Guest Bio Dr. Keith Witt is a Licensed Psychologist, teacher, and author who has lived and worked in Santa Barbara since 1973. He has conducted over 75,000 therapy sessions and published eight books, including Loving Completely, Shadow Light, and Integral Mindfulness. In presentations and classes around the U.S. and internationally, Keith has explored love, therapy, interpersonal relationships, and development, from multiple perspectives, weaving neuroscience, Integral theory, wisdom traditions, and numerous forms of psychotherapy into a coherent cosmology of love and healing. Links drkeithwitt.com Three Actionable Takeaways Recognize and use your superpowers. Every person listening has superpowers. Focused intent and action, in service of principle, driven by resolve over time creates real results. Know you have them and aim them where you want to grow. Find someone you trust who has compassion and wisdom in the areas you want to develop. Tell them where you want to grow, receive their input, and embody it. Seek influence from people who genuinely care. Be grateful for the opportunity to be alive, to love, and to grow. Cultivate that gratitude as a daily orientation -- not as a platitude, but as the foundation of a sustainable motivation system. Key Insights Compensatory motivation systems drive you to achieve in order to avoid shame, failure, or loss of identity. Integrative motivation systems drive you to achieve because the work expresses something deeply important to you. Both can produce results. Only one is sustainable. Criterion velocity is the ratio of what you achieve to what you expect to achieve. If you expect progress and make progress, you have a criterion velocity of one. Declaring that a victory is not lowering the bar -- it is the foundation of a growth-oriented motivation system. The arrival fallacy is the belief that reaching the next goal will produce lasting satisfaction. This is a structural problem, not a motivational one. External validation cannot satisfy an integrative need. Celebrating victory is not vanity. It is a biological bonding mechanism. In ultra-social species, shared ecstatic states create group cohesion. Suppressing that response disconnects you from your tribe and reduces performance over time. The harsh inner critic cannot be removed. Attempting to eliminate it does not work. The task is to help it grow from a primitive attack-and-shame mechanism into a functional guide that identifies growth opportunities and moves on. Self-actualization means living your values without obstruction. Self-transcendence, which Maslow added later, is when you stop identifying primarily as a separate person and start identifying as part of something larger. High performers who reach that state tend to have an edge at critical moments. The compassionate witness is the part of you that observes your sensations, emotions, thoughts, judgments, and desires with acceptance and caring intent. Developing that capacity is not about softening standards -- it is about creating the internal stability from which real performance becomes possible. People leave jobs primarily because they feel unrecognized, excluded, or treated unfairly -- not because of money. Organizations that misread this create compounding blind spots in retention and team performance.

The Vitality Collective Podcast is a health and fitness podcast and performance podcast focused on strength, longevity, and real-world performance, bridging the gap between health and performance. Hosted by Dr. Jeremy Bettle, PhD — an internationally recognized expert in Human Performance with over 20 years of experience working with elite athletes and high performers — this podcast brings world-class expertise straight to you. Built from elite sport and applied to real life, it breaks down what actually drives resilience, health, performance, and long-term capability. Guest Bio Dr. Keith Baar received his Bachelor's in Kinesiology from the University of Michigan where he also served as an Assistant Strength and Conditioning Coach with the University of Michigan Football team. He then received a Master's degree from the University of California, Berkeley, and his PhD from the University of Illinois where he discovered the first molecular signal that contributes to load-induced muscle hypertrophy. He did his postdoctoral studies on the molecular mechanism underlying the muscular adaptation to endurance exercise under the direction of the legendary Dr. John O. Holloszy at Washington University in St. Louis. Over the last decade, Keith has focused his research efforts on discovering how load and nutrition alter tendon function. This work is changing the way that we load connective tissues to improve performance and accelerate return to play. Keith is currently the head of the Functional Molecular Biology Laboratory (FMBLab) at the University of California Davis. Work from his lab spans from the molecular mechanisms that lead to adaptation to human studies that translate these basic discoveries to interventions that improve performance, longevity, and quality of life.  Links UC Davis Faculty Profile: https://health.ucdavis.edu/physiology/faculty/baar.html Dr. Baar on LinkedIn: https://www.linkedin.com/in/keith-baar-64914a31/ Three Actionable Takeaways Get the exercise right. That means understanding your genetic predispositions and selecting exercise accordingly. If neurocognitive decline runs in your family, both strength and endurance training are important. If heart disease runs in your family, both types of exercise provide different but necessary stimuli to the heart. The exercise itself is 95 to 98 percent of what drives your adaptation. Concentrate on the things that matter. Whether in training, nutrition, or work, effort spent on low-return activities comes at the expense of high-return ones. Building the foundation correctly means you spend less time and money on things that are unlikely to move the needle. Educate yourself or find people you trust who are genuine experts in what you need. The more you understand how the biology works, the harder it becomes to buy into life hacks that cost a lot and do very little. You do not need a course, just enough exposure to credible, varied sources to build a working filter for what is plausible and what is not.  Key Insights Collagen is not a complete protein. It lacks several essential amino acids and scores zero on protein quality scales. Taking it as a muscle-building supplement instead of a leucine-rich source like whey is counterproductive to your goals. Dietary collagen does not travel intact to your tendons or skin. The gut breaks it into amino acids. What matters is whether those amino acids, primarily glycine and proline, are available in the right environment when your cells need to make new collagen. Vitamin C is not optional when supplementing collagen for connective tissue purposes. Without adequate vitamin C, cells cannot secrete the collagen they produce. Scurvy is essentially a failure of collagen export, not collagen production. Timing collagen intake 30 to 60 minutes before loading exercise is more effective for tendons and ligaments than taking it after, because these tissues rely on fluid flow during movement to deliver nutrients rather than blood flow.

The Vitality Collective Podcast is a health and fitness podcast focused on strength, longevity, and real-world performance, bridging the gap between health and performance. Hosted by Dr. Jeremy Bettle, PhD—an internationally recognized expert in Human Performance with over 20 years of experience working with elite athletes and high performers—this podcast brings world-class expertise straight to you. Built from elite sport and applied to real life, it breaks down what actually drives resilience, health, performance, and long-term capability. Designed for high performers, professionals, and anyone who wants to stay strong, capable, and injury-free while balancing real life. This health and wellness podcast explores how to build strength, prevent injury, improve cardiovascular fitness, optimize sleep and nutrition, support cognitive performance and brain health, and maintain emotional and social well-being through expert interviews, applied breakdowns, and proactive, real-world strategies. Whether you're training, recovering from injury, or trying to stay consistent while balancing work, family, and life, this podcast gives you a clear, practical path forward.   Guest Bio Dr. Mike Axler is an Assistant Professor of Exercise Science with a PhD in Kinesiology and Applied Physiology. He brings a unique blend of academic expertise and real-world performance experience, having worked as a Division I strength and conditioning coach while also competing in nearly 70 marathons and 20 ultramarathons. Mike is the founder of Axler Concierge Coaching and the host of the Simple Science Podcast, where he breaks down complex topics in exercise, nutrition, and human performance into practical, actionable insights. His research focuses on nutritional epidemiology and applied physiology, with ongoing collaborations spanning wearable technology companies and clinical settings. Driven by both curiosity and personal challenge, he is currently pursuing the goal of running marathons in all 50 U.S. states and on every continent. Links Simple Science Podcast: YouTube Spotify Instagram: @mikeaxler.phd Three Actionable Takeaways Do something physically challenging today that is slightly harder than yesterday. It does not have to be dramatic. If you walked 4,000 steps yesterday, walk 4,050 today. If you ran a six-minute mile, try for 5:59. Progress is the direction, not the distance. Challenge your mind with something new and unfamiliar every day. Ask an AI for a random fact, learn how to say a word in another language, or try a physical skill you have not done before. Neuroplasticity requires novelty and effort. Every time you sit down to eat, put a protein source and a fruit or vegetable on your plate alongside whatever else you are having. You do not have to overhaul your diet. Just anchor every meal to those two things. Key Insights The ATP-PC (phospholytic) system powers the first roughly 10 seconds of any maximal effort. After that, the glycolytic system takes over. The aerobic system becomes dominant when intensity drops to a level the body can sustain -- and it is the only system that runs on stored fat. Aerobic training builds mitochondrial density and capillary density inside muscle fibers. More and healthier mitochondria mean faster ATP regeneration during rest intervals, which translates directly to shorter recovery time between strength sets. Cardiac output equals heart rate multiplied by stroke volume. Consistent zone two training increases left ventricular stroke volume, meaning the heart pumps more blood per beat and does not need to beat as fast. A lower resting heart rate is evidence of this adaptation -- and it compounds over decades. During aerobic exercise, the body draws on both stored glycogen and stored triglycerides (fat). During anaerobic exercise, it burns only carbohydrates.

The Vitality Collective Podcast is a health and fitness podcast and performance podcast focused on strength, longevity, and real-world performance, bridging the gap between health and performance. Hosted by Dr. Jeremy Bettle, PhD -- an internationally recognized expert in Human Performance with over 20 years of experience working with elite athletes and high performers -- this podcast brings world-class expertise straight to you. Built from elite sport and applied to real life, it breaks down what actually drives resilience, health, performance, and long-term capability. Most high performers are not failing because they are doing too little. They are failing because their training does not fit the life they actually live. Josh Sprague, who has completed more than 500 races across every distance imaginable while running three bootstrapped companies, breaks down why a four-day training week consistently outperformed his six-day attempts and why that result is not surprising at all. If you have been asking yourself how to stay fit and healthy without your training schedule collapsing every time work gets heavy, this is the episode for you. What's inside: Why cutting your training days does not mean cutting your results The all-or-nothing mindset that is quietly sabotaging consistent progress Why fitness and health are not the same thing, and how confusing them leads to real medical risk How to use RPE instead of heart rate data once you understand your training zones If you are a busy entrepreneur or executive who keeps building the perfect training plan only to miss half of it and feel like you have failed, this episode will help you redesign your approach around the life you actually have.  Listen to the full episode of The Vitality Collective Podcast with Dr. Jeremy Bettle. Guest Bio Josh Sprague is a serial entrepreneur, endurance athlete, and product designer based in Round Rock, Texas. He founded Orange Mud in 2012 after tearing apart a gun holster in his garage to build a better hydration pack. Fourteen years later, he runs three companies -- Orange Mud (hydration gear), Seven Clay (custom apparel), and Anvil & Acre (fractional CMO services) -- all bootstrapped, all profitable, all built from real-world problems he refused to tolerate. Links www.orangemud.com Instagram: @orangemud LinkedIn: @JasonSprague Three Actionable Takeaways If your program is failing, just go do something. A walk, hike, bike, or run all count. Any activity beats inactivity. Go slow at least once a week. Even a 15-to-30-minute walk on a day when nothing else fits is worthwhile and better than skipping entirely. Work on the mindset. Remember why you are doing this. If the answer is fun, then let it be fun. Stop letting rigid training schedules prevent you from enjoying the activity itself. Key Insights Designing a training plan around your actual schedule rather than an ideal schedule produces better long-term results than chasing a program you cannot sustain. The all-or-nothing mindset causes high performers to discount the real benefit of four solid training days simply because they missed the sixth. Exercise snacks and micro-doses of activity, such as 120 pushups spread across a morning, deliver meaningful physiological benefit in very short windows. Recovery is not optional. The body adapts during rest, not during the training stimulus itself. Skipping recovery locks you into a perpetual breakdown cycle. The Galloway method (run-walk intervals) outperformed a go-hard approach for those Scottsdale marathon veterans because pacing strategy matters more than perceived effort. Heart rate monitoring has a learning phase. Once you understand your zones, RPE (rate of perceived exertion) is a reliable and simpler substitute for most training. Overuse injuries often have a mechanical root cause, not just a volume problem. Josh resolved his patellar tendonitis through improved bike fit as much as through rest. Cognitive load from 80-plus-hour work weeks counts as a training stressor. Recovery activities that lower mental load provide energy back rather than depleting further. Running places six to eight times body weight through a single leg with each stride. Treating it as a low-impact activity and skipping strength prep is a common setup for injury. Racing compulsively can strip the enjoyment out of training. Stepping back from the race calendar to train for the experience, rather than the result, often restores motivation.

Steve Hess spent 20 years as Director of Performance for the Denver Nuggets and has trained athletes and everyday people across four decades. In this conversation, he and Jeremy dig into why strength training is the non-negotiable foundation for longevity, what it actually means to train progressively and intelligently, and why the shortcuts people chase, whether Ozempic, crash programs, or generic advice, will eventually come back to hurt them. This is a conversation built around taking real responsibility for your body and your health, not just talking about it. Guest Bio Steve Hess is a performance specialist with over 40 years of hands-on experience and the founder of Hess Elite Performance. He served as Director of Performance for the Denver Nuggets for 20 years and later as Chief Performance Officer at Panorama Orthopedic and Spine, where he successfully turned around the performance division. He is co-owner of Viking Power and holds a master's degree in physical education with an emphasis on sports medicine from Ithaca College. Steve is an M.A.T. Rx Specialist, holds his CSCS with the RSCC*E distinction, and was a founding member of the National Basketball Strength and Conditioning Association. Links Steve Hess on Instagram: @Steve13Hess Steve Hess on X (Twitter): @SteveHess1 Linkedin: https://www.linkedin.com/in/steve-hess-kaboom/ Website: https://hess-elite.com/    Three Actionable Takeaways First thing in the morning, drink 12 to 14 ounces of water. Most people are chronically underhydrated and the simplest shift you can make is starting your day with water before anything else. It costs nothing and it works. Start a progressive resistance training program designed for you, not anyone else. The keyword is progressive. You are not trying to crush yourself on day one. You are building a system over time that your body can tolerate and keep improving with. This is the investment that pays back in every part of your life. Find someone you love who loves you, and make sure you are having fun. Training and longevity matter, but so does the quality of the life you are building. If you have lost the joy in the process, you have lost the point. Key Insights Strength is the foundation of everything. Without a strong and stable base, every aspect of your health, movement, metabolic function, and recovery is compromised. The muscular system is the most metabolically active tissue in the body. Losing muscle mass means losing your primary tool for managing glucose, sustaining energy, and staying out of the disease progression that comes with frailty. Training intelligently means listening to your body in real time. If something feels off at 17 minutes on the bike and your goal was 20, get off the bike. Pushing through those signals is how injuries happen and how weeks of progress get lost. Ozempic and similar medications can serve a purpose, but without training and proper nutrition alongside them, you are likely losing muscle mass at the exact time you can least afford to. The biggest injury risk is the gap between where you are today and what you are trying to do tomorrow. Any goal is achievable with a progressive plan. Almost no goal is safe to jump to from a standing start. Isometrics are an underused entry point for rebuilding strength. Low-grade holds in functional positions restore muscle firing and stability without the loading risk of full range movements before the body is ready. Consistency beats intensity. The person who does something every day, even a walk or half a session, builds a long-term foundation that no one training in all-or-nothing cycles ever manages to create. The right trainer spends the first session learning about you, not talking about themselves. Look for someone who writes things down, watches you move, and treats your time as yours. Older populations require more precision in programming, not less. There are fewer compensation patterns available as the body ages, and one misstep can cost weeks of progress. Motion is lotion. The goal of longevity training is not a perfect program. It is keeping the body moving, loading, and adapting consistently over the long term.

We've been taught to think about health through the lens of workouts. Get to the gym. Check the box. Move on with your day. But what if that's not the real problem? In this episode, Dr. Jeremy Bettle sits down with Kyle Gonzalez to unpack a shift in thinking that changes everything: it's not just about how much you exercise, it's about how much you move throughout your entire day. They explore why modern life has reduced movement to a single block of time, how inactivity quietly accumulates, and why small, consistent actions often matter more than intense, isolated workouts. This conversation brings the focus back to first principles. What actually drives health, capacity, and long-term performance in real life, not perfect conditions. What's inside: The difference between exercise and daily physical activity Why inactivity, not lack of exercise, is often the real issue How "all or nothing" thinking keeps people stuck The role of environment in shaping behavior and consistency Why small, repeatable actions compound more than extreme efforts How to think about movement across the full day, not just the workout This episode is for anyone who feels like they're doing the right things but not seeing progress, or who has been told they need more intensity, more structure, or more complexity to improve their health. The reality is often much simpler. Move more. More often. In ways that fit your life. Guest Bio Kyle Gonzalez (MS, CSCS) brings over a decade of experience helping people optimize health and performance through coaching, teaching, and start-up leadership. A former D1 athlete, he has been featured in Men's Health, NBC News, The Washington Post, and Real Simple for his work in the fitness industry. He currently serves as Vice President of Performance and Coaching at Coya, a human performance start-up, and is also the author of The Vitality System and the host of The Vitality System Podcast. He lives in Los Angeles, CA. Links Kyle Gonzalez on Instagram: @KyleGonzales3 Kyle Gonzalez on LinkedIn: linkedin.com/in/kyle-gonzalez Move Thrive and Come Alive (book, releasing June 2nd): Available for pre-order on Amazon and Barnes and Noble. Coya: coya.com  Three Actionable Takeaways Expand your definition of movement beyond structured exercise. Exercise is a small bubble within the broader world of physical activity. Ask yourself how you can inject more movement into your day, whatever form that takes, and start rekindling the joy you once had with just being active. Audit your environment. Look at the people, places, things, and information around you and ask: is this environment nudging me toward healthier choices or away from them? Reducing friction for movement and increasing friction for inactivity is one of the most powerful changes you can make. Prioritize long-term, sustainable health over quick fixes. If someone is selling you a shortcut, that is usually a signal to walk the other direction. Focus on consistent, realistic behaviors that you can sustain across seasons of life, because health span is the goal, not a 30-day transformation. Key Insights The 9-12-3 system: Schedule three five-minute movement blocks throughout your workday as a reminder to break up sedentary time. Even five body weight squats or a short walk counts. Anything over zero compounds. Short bouts of accumulated exercise (SBAEs) are supported by research showing that three-minute high-intensity breaks, three times daily, are associated with a 20-40% reduction in cancer and all-cause mortality. Standing two to four extra hours a day can add up to approximately 20,000 additional calories burned over a year, roughly equivalent to five to six pounds. Standardize before you optimize. Drawing on the James Clear principle, Kyle emphasizes that a habit must be established consistently before it can ever be refined or upgraded. The CDC recommends 150 minutes of moderate activity per week, which breaks down to roughly 1% of your total weekly time. Kyle reframes the time barrier as a priority barrier. Showing up is a skill. Progress comes not from perfect execution on good days, but from the ability to still show up, in some form, on the hard ones. Identity drives consistency. When you start proving to yourself that you can do what you say you will, you begin to build the self-image of someone who moves, which makes the behavior more durable over time. Wearable data is a tool, not the rule. Subjective feel and actual capacity are more useful guides than daily fluctuations in sleep scores or VO2 max estimates. Kyle and Jeremy discuss orthosomnia as a real risk of over-indexing on device data. For women navigating midlife and conflicting fitness messaging, Kyle recommends returning to first principles: consistent sleep, adequate protein, daily movement, and building the foundation before layering on advanced protocols. Be clear on where you want to go, but flexible in how you get there. Build a hierarchy of movement options (gym, home workout, walk) so that disruptions to your plan do not result in doing nothing.

Most people chasing fat loss or muscle gain are working from incomplete or misunderstood information. In this episode, Jeremy sits down with dietitian and physique athlete Holly T. Baxter to explore body composition. They discuss what the scale is actually measuring, why fat-free mass and muscle mass are not the same, and how to interpret changes over time. Holly draws on her work with both competitive physique athletes and everyday clients to explain the realities of building muscle and losing fat, including the role of energy balance, the structure of building and dieting phases, and the tradeoffs that come with more aggressive approaches. They also discuss what realistic timelines look like, why progress is often slower than expected, and how a simple, consistent resistance training program can support long-term results. This is a conversation grounded in research and experience, offering a clearer understanding of how body composition actually changes. Guest Bio Holly T. Baxter is an Australian-born dietitian based in Florida, with a background in food science, nutrition, and a passion for exercise science communication. She is the owner of BiaBody, a comprehensive nutrition and coaching company, which also publishes BiaBrain, a monthly research review distilling the latest evidence in fitness and nutrition. Holly has played a key role in creating world-leading nutrition coaching and fitness apps. She's published research on resistance training and hypertrophy, and most recently developed BiaFit, a cutting-edge fitness app offering hundreds of evidence-based resistance programs, macro-friendly recipes, and group challenges. With over a decade of professional bodybuilding behind her, Holly brings a unique perspective to her coaching, empowering women to build strong, fit, and athletic physiques without extremes Links Holly's YouTube Channel: @HollyTBaxter Holly's Instagram: @HollyTBaxter BiaBody Nutrition Coaching: BiaBody.com BiaBody Fitness App: GetBiaFit.com Three Actionable Takeaways Set realistic expectations around muscle building and fat loss timelines. Muscle grows slowly, fat loss gets harder the leaner you get, and the approach that fits your actual life will always outlast the aggressive one that doesn't. Choose a rate of fat loss that is sustainable and fits your preferences, not just the fastest option available. Identify your non-negotiables and build your approach around them. A diet you can stick to will always beat a perfect plan you abandon. Understand that training may matter even more than hitting the top end of your protein target. Showing up regularly over years is what actually moves the needle. Key Insights Fat-free mass and skeletal muscle mass are not the same thing. In-body and DEXA scans measure fat-free mass, which includes glycogen, water, bone, and other tissue, meaning a shift on the scale or scan readout is rarely a direct reflection of muscle gained or lost. B-mode ultrasound is the more scientifically accurate tool for measuring true changes in muscle thickness. It is the standard used in most research studies and, when available through a university lab or clinic, gives a far cleaner picture of progress than commercial body composition scanners. Daily weight can fluctuate 1 to 3 percent with no change in actual fat mass. Sodium intake, fiber, training volume, and hydration all move the scale. Understanding those inputs takes away the scale's power over your mindset. Building meaningful muscle takes years, not weeks. Research shows changes of around 2 to 3 millimeters in muscle thickness over a typical 8 to 12 week training block. Those changes are not visible in the mirror early on, but they accumulate significantly over a 5-plus year timeline of consistent training. An intentional building phase should last at least six months, with the goal of supporting muscle growth through sufficient energy intake. You do not need to pile on excess body fat to build, but you do need fuel available, whether from food or stored adipose tissue. A body recomposition approach, maintaining calories while building muscle slowly, is a valid and often more sustainable path for people who do not want the extremes of a dedicated bulk and cut cycle. It works more gradually but keeps body weight and calorie intake stable. Women build muscle at the same relative rate as men. The absolute numbers differ because men are larger, but the relative change from starting body weight is equivalent. Claims that women cannot build muscle as effectively as men are not supported by current training literature. The two key drivers of muscle hypertrophy are weekly training volume per muscle group and proximity to failure. Working in a rep range of roughly 8 to 50, at an RPE of 7 to 10, produces a comparable muscle growth response regardless of load, giving trainees significant flexibility in how they structure sessions. Extended fat loss comes with real physiological costs, including hunger, strength decrements, sleep disruption, GI issues, and hormonal shifts. These are not signs of failure. They are normal biological responses to an energy deficit, and knowing they are coming helps people plan rather than quit. Psychology matters as much as the plan. Former athletes transitioning out of elite training often hold themselves to standards that no longer match their life circumstances. Adjusting expectations and building sustainable habits around social life and food preferences are all part of the process.

Episode Summary Chris Ryan, CSCS and founder of Chris Ryan Fitness, joins Jeremy to talk about the principles that actually move the needle over the long term. Consistency, self-compassion, and training for the life you want to live. They dig into why most people never reach their goals, how the "80/20 rule" applies to fitness, and what it really means to build a sustainable program in the middle of a busy life. This is a grounded, practical conversation for anyone who has started strong, hit a wall, and wondered what they're missing. Guest Bio Chris Ryan is a nationally recognized performance coach, entrepreneur, and founder of the Chris Ryan Fitness app—a science-driven strength and longevity platform for ambitious professionals. A former Division I track athlete at the University of Florida, he was named one of America's Top 10 Trainers, featured on NBC's STRONG, and became a founding trainer for MIRROR (lululemon Studio), helping pioneer the connected fitness movement. For more than 15 years, Chris has coached executives, founders, athletes, and high-performing parents, with work featured in Men's Health, Women's Health, and Shape. He specializes in helping driven adults build strength, improve metabolic health, and sustain peak performance into midlife—without extreme dieting or long workouts. As a husband and father of three, he brings a practical, real-world perspective on balancing health, business, and family. Links Chris Ryan Fitness (Website): https://chrisryanfitness.com Chris Ryan on Instagram: https://instagram.com/chrisryanfitness Three Actionable Takeaways Be forgiving to yourself. If you missed a workout or ate off-plan, don't spiral. Life happens, and the most successful people in fitness are the ones who shake it off and get back in the saddle without drama. Think long-term vision, not short-term perfection. One or two bad days don't define your progress. The people who build lasting health are the ones who zoom out, stay committed to the bigger picture, and keep moving even when momentum stalls. Find what you enjoy and do it. If you hate running, don't run, but do find something that gets your heart rate up and makes you want to come back. The best workout is the one you'll actually show up for, and the first five minutes are always the hardest. Key Insights Consistency compounds over time the same way a 401k does. Starting early means less effort per day to reach the same destination. Doing about 80% of the right things delivers close to 100% of the results for the majority of people who aren't training at a professional level. Training for a 'season of life' means accepting that your time, recovery capacity, and goals will change and your program should change with them. Workout density matters more than duration. A well-designed 15-minute circuit can replicate the physiological work of a 90-minute session with traditional rest periods. The Norwegian 4x4 protocol (four minutes near VO2 max, three minutes active recovery, four rounds) delivers roughly 80% of the cardiovascular benefit of much longer aerobic training in under 30 minutes. Stop comparing yourself to the extremes you see on social media. Even at the elite level, athletes train specifically for their sport, what works for a sprinter or an NFL lineman does not apply to the general population. Discipline is easier to maintain when you engineer your environment. Don't keep foods you're trying to avoid in the house, and don't shop for groceries when you're hungry. Gradual substitution works better than cold turkey for changing dietary habits. Cutting from 15 sodas a week to 7 to 1 is a behavior change that actually sticks. Physiological adaptation takes 6 to 8 weeks of consistent stimulus. Switching programs every 3 to 4 weeks resets the clock and prevents you from ever reaching the adaptation you're after. Training goals are more powerful when they're functional rather than aesthetic. Being able to throw a football with your kid, chase your children, or move without pain are goals that sustain motivation long after a six-pack stops feeling relevant.

Episode Summary Most fitness advice is built around athletes who have off-seasons, structured warmups, and full support staff. First responders, police officers, firefighters, and military personnel have none of that. Dr. Mike Lane, professor of exercise science at Eastern Kentucky University and specialist in tactical athlete performance, joins Jeremy to break down what physical preparation actually looks like for people whose jobs can turn life-or-death in seconds. They cover: • why aerobic capacity is the foundation most strength-focused first responders are missing • how to train around shift work and unpredictable schedules • what tissue quality really means and how to maintain it without a full medical staff • how stress impacts decision-making and performance under pressure This episode is for tactical athletes, first responders, and the coaches who train them—anyone who wants to train smarter, stay healthy longer, and perform when it matters most. Guest Bio Dr. Mike Lane is a professor of exercise science at Eastern Kentucky University, where he specializes in strength and conditioning for tactical athletes, including law enforcement, military, and fire service personnel. He works directly with ROTC cadets and collaborates with the Department of Criminal Justice Training Center in Kentucky. His focus is translating evidence-based sports performance principles into practical, sustainable programming for first responders who train without the resources of professional sport. Links Dr. Mike Lane on Instagram: @mikelanephd Eastern Kentucky University Department of Exercise and Sport Science: eku.edu National Strength and Conditioning Association (NSCA): nsca.com TSAC-F Credential (Tactical Strength and Conditioning Facilitator): nsca.com/certification/tsac-f/ Three Actionable Takeaways 1. Be pragmatic, not dogmatic. Find a sustainable training structure that you can actually stick to, then build from there. The best program is the one you'll keep doing. Start with what fits your schedule and life, then add complexity as consistency takes hold. 2. Know your weak points and address them. Most first responders come from strength or power backgrounds and are underserving their aerobic capacity, and that gap is often the one that costs them. A strong aerobic base helps you recover faster between efforts, stay sharper under stress, and protect your long-term health well past retirement. 3. Perfect is the enemy of the done. If all you can manage is a max set of pushups, a max set of pull-ups, and some bodyweight squats, you still beat the alternative. Showing up with whatever you have that day is always worth more than waiting for the perfect conditions. Progress compounds even in small doses. Key Insights 1. The number one fitness gap for most first responders is aerobic capacity. People who come from strength and power sports often overlook this, but a strong aerobic base accelerates recovery between efforts and is directly tied to long-term cardiovascular health and post-career survival. 2. Physical fitness standards for law enforcement in many states are one-time entry requirements, not ongoing benchmarks. The military maintains annualized testing; most police precincts do not, which means officers can fall well below working fitness over a career. 3. The demands of a first responder job require what Mike calls functional reserve. The difference between a 300-pound max deadlift and a 600-pound max deadlift changes whether dragging a 200-pound partner in gear is a maximal effort or a manageable one. 4. There is no warmup in a real-world threat situation. Training in the gym should emphasize tissue quality and movement preparation precisely so that an officer or firefighter can perform cold, without a 10-minute dynamic warmup before a foot pursuit. 5. Tissue quality means keeping muscles long, pliable, and well-perfused. Tight hips and hamstrings push compensation into the low back, and that compensation pattern accelerates injury risk over years of shift work and equipment load. 6. Sleep and nutrition are the most underrated recovery tools available to first responders, far more impactful than most modalities. If a recovery intervention comes at the cost of sleep, it is not worth doing. 7. Recovery after a high-stress shift is not just physical. Zone two cardio following a traumatic event can help the body physiologically complete the stress response while breath work and parasympathetic down-regulation help prevent the stress from being carried home. 8. For first responders with limited access to equipment, twice-weekly resistance training covering push, pull, hinge, squat, and carries, combined with one zone five session and two zone two sessions per week, covers the fundamental requirements of tactical fitness. 9. The TSAC-F credential (Tactical Strength and Conditioning Facilitator) through the NSCA exists specifically to connect first responders with qualified strength coaches who understand their profession. Seeking one out locally is a practical starting point. 10. Strength training deters confrontation before it escalates. Physical presence, posture, and visible fitness function as de-escalation tools in policing, meaning fitness investment has operational value beyond injury prevention and cardiovascular health.

Episode Summary Most routine blood panels leave critical information on the table. In this episode, Jeremy sits down with returning guest Dr. Dennis Hughes, a board-certified internist specializing in longevity and proactive healthcare, to break down what a more comprehensive, forward-looking blood panel actually looks like. They discuss why preparation before your draw matters as much as the tests themselves, how to detect insulin resistance long before it becomes type 2 diabetes, what advanced lipid markers like ApoB reveal beyond standard cholesterol panels, and how vascular health connects to cognitive decline, hormonal function, and long-term independence. This is a practical, grounded conversation about taking ownership of your internal health data, advocating for deeper testing, and making informed decisions early rather than reacting later. Guest Bio Dr. Dennis Hughes is a board-certified internist specializing in longevity and proactive health care. With a keen focus on cognitive health, he integrates cutting-edge diagnostics with tailored lifestyle strategies to help patients optimize their long-term wellness. Dr. Hughes recently relocated his practice to Montecito, where he offers both one-off consultations and ongoing membership care. Links Dr. Dennis Hughes Website: DennisHughesMD.com Contact Dr. Hughes: [email protected] InsideTracker: insidetracker.com Three Actionable Takeaways Prepare properly before your blood draw. Start hydrating the day before, ensure your urine is clear by morning, stop biotin-containing supplements a week out, and keep your regular medications and coffee routine. Good preparation means your results actually reflect your health, not your hydration status. Ask for the tests that predict trouble before you feel it. Tests like fasting insulin, ApoB, and cystatin C can reveal insulin resistance, cardiovascular risk, and kidney strain years before symptoms appear. Knowing your trajectory early gives you real options to change it. Be an active participant in your health care. Come to appointments with questions, track your results over time, and build a real partnership with your provider. You have one life and one body, and the difference between thriving in your later years and a slow decline often comes down to how engaged you are right now. 10 Key Insights Hydration directly affects the accuracy of your labs. Dehydration can artificially concentrate your blood, masking anemia and falsely elevating markers like creatinine, leading your doctor down the wrong diagnostic path. Consistent fasting and preparation across draws is essential for longitudinal tracking. If your preparation changes between blood draws, you lose the ability to compare results meaningfully over time. Insulin is the canary in the coal mine for metabolic stress. Elevated fasting insulin signals that your pancreas is working harder to compensate for insulin resistance, even when blood glucose still looks normal. Dr. Hughes targets an optimal fasting insulin below 6. ApoB is the most important lipid marker most doctors don't order. Rather than measuring total cholesterol packed into LDL particles, ApoB counts the actual number of LDL carrier particles, giving a far more accurate picture of cardiovascular risk. It is inexpensive and widely available. Insulin resistance changes the size and number of LDL particles for the worse. It shifts LDL from large, buoyant particles to smaller, denser, and more numerous ones that penetrate artery walls more easily, accelerating cardiovascular disease. What is happening in your heart is happening in your brain. The micro-vessels feeding brain tissue are far smaller than coronary arteries, making them even more vulnerable to vascular disease driven by insulin resistance and poor lipid profiles. Protecting your cardiovascular system is protecting your cognitive health. Iron deficiency can cause significant fatigue even without anemia. You must cross a threshold before anemia shows up on a standard CBC, but your mitochondria are already struggling to produce energy well before that point. An iron panel should be routine. A full thyroid panel, including antibody screening for Hashimoto's thyroiditis, is more informative than TSH alone. Hashimoto's is the most common cause of hypothyroidism and can go undetected for years, silently draining energy and function. Testosterone matters for both men and women, and bioavailable testosterone is the most clinically meaningful number. Total testosterone only tells part of the story. Free and bioavailable testosterone reflect what is actually available to your tissues, and tracking all three gives a far more complete hormonal picture. Fatty liver is not a benign finding, even with normal standard liver tests. Driven by insulin resistance, it exists on a spectrum from hepatic steatosis to inflammation to fibrosis, and may become the leading cause of cirrhosis. If you have been told you have fatty liver, dig deeper.

Episode Summary This episode is different. Instead of a traditional interview, Jeremy sits down with registered dietitian Kara Siedman, a gut microbiome expert, for a live, recorded consult using his own Tiny Health stool test results. Together, they walk through how to read and interpret microbiome data, why a single missing bacteria does not mean an unhealthy gut, and how the microbiome functions as an ecosystem rather than a checklist of "good" and "bad" bugs. From digestive capacity and short-chain fatty acid production to pelvic floor health and protein breakdown, this episode is a practical, case-study-style walkthrough for anyone curious about what their results actually mean. Topics include microbiome testing, stool analysis, gut health, digestion, and functional nutrition. Guest Bio Kara Siedman, RDN, CDCES, is a registered dietitian with 15+ years spanning inpatient care, outpatient program development, and integrative and functional nutrition. Her work in a leading gastroenterology practice sparked a root-cause focus and a specialty in the gut microbiome, leading to collaborations with Pendulum and Microbiome Labs and now resbiotics. At resbiotic, Kara serves as Director of Partnerships and Scientific Operations, educating healthcare providers on microbiome science and the clinical use of targeted pre-, pro-, and postbiotics. She is known for translating complex research into clear, actionable guidance that clinicians can use at the point of care.  Links Tiny Health (stool testing platform used in this episode): tinyhealth.com Resbiotic: resbiotic.com Kara Siedman Instagram: @kara.siedman Resbiotic Instagram: @resbiotic Tiny Health Instagram: @tiny.health Vitality Collective Instagram: @vitalitycollectiveperformance Vitality Collective Linkedin: @vitalitycollectiveperformance  Vitality Collective YouTube: @vitalitycollectiveperformance  Three Actionable Takeaways  Add more variety to your fiber sources, not just more fiber. Kara keeps a fiber chart on her refrigerator and rotates in two or three new plant foods each week. It's a small habit that builds the kind of microbial diversity your gut is designed to run on. If you eat a high-protein diet, add digestive bitters before meals. When protein intake outpaces what stomach acid can break down at one sitting, the excess reaches your large intestine and creates byproducts your microbiome has to manage. Bitters help stimulate hydrochloric acid and keep that breakdown where it belongs. Prioritize fermented foods over probiotic supplements. Kara recommends kimchi, sauerkraut, miso, kefir, and yogurt, not necessarily for the live bacteria themselves but for what those bacteria produce as they move through your system. Those postbiotics are where the real benefit lives.  Key Insights Whole genome sequencing, the technology used by Tiny Health, gives a more complete picture of the microbiome than older 16S technology. It shows not just which bacteria are present but what functions they are carrying out. The microbiome should be treated as a data point, not a diagnosis. Like GPS tracking in elite sport, stool testing is most useful when layered with other health markers and interpreted over time, not in isolation. Missing Akkermansia does not automatically mean poor gut barrier health. In the absence of metabolic disease and with strong short-chain fatty acid producing bacteria present, the gut barrier can remain intact through other mechanisms. Probiotics are tourists, not colonizers. The goal of probiotic supplementation is to support a specific function that is not being carried out, not to permanently seed the microbiome. Taking an Akkermansia supplement while the test showed undetectable Akkermansia illustrates this point directly. Having some unfriendly bacteria is normal and expected. A healthy microbiome is about balance and competition, not the elimination of all opportunistic species. The ratio matters far more than the presence or absence of individual microbes. Short-chain fatty acids are among the most important outputs a healthy microbiome can produce. They support immune signaling, gut barrier integrity, and an anti-inflammatory tone throughout the body. The microbiome plays a direct role in hormone balance through a system called the estrobolome. Specific bacteria help regulate how estrogen is processed and cleared, which matters for both men and women as they age. Vitamin K2 is primarily produced through bacterial fermentation in the gut. If the microbiome is not producing enough, supplementing K2 alongside vitamin D3 is worth considering, especially since dietary sources like natto are rarely consumed in Western diets. Bowel movement frequency that seems like a gut issue may actually have roots in pelvic floor dysfunction. A history of contact sport, back injury, or chronic stress can alter the gut-brain signaling that controls how and when the bowel empties. Longitudinal testing matters more than a single snapshot. The microbiome is dynamic and changes with diet, stress, travel, medication, and season. A single test gives useful direction but not a complete picture.

Episode Summary GLP-1 medications like semaglutide are everywhere, from your doctor's office to the Super Bowl, and the conversation has moved well beyond clinical use. In this episode, Dr. Jeremy Bettle sits down with Dr. Stuart Phillips, one of the world's leading researchers in muscle metabolism and aging, to cut through the noise on weight loss drugs. They cover what these medications actually do in the body, why losing weight without resistance training and proper nutrition is a serious long-term risk, and how to protect your muscle mass, bone density, and metabolic health if you are going to use them. This is not a conversation about whether GLP-1s are good or bad. It is a conversation about using them responsibly, with the full picture.   Guest Bio Dr. Stuart Phillips is a Distinguished Professor of Kinesiology at McMaster University and director of the Physical Activity Centre of Excellence (PACE). His groundbreaking research explores muscle metabolism, protein needs, and aging, revealing the transformative power of strength training and nutrition. With 28 years of pioneering work in the field, Dr. Phillips is an evidence-based advocate for accessible, impactful interventions to improve healthspan and mobility.   Links Instagram: @mackinprof X: @mackinprof LinkedIn: search Stuart Phillips   Three Actionable Takeaways Be honest with yourself about why you want to take these drugs, and if it is aesthetic, commit to learning how to lift weights. Simply taking the drug without building the habits around strength training is ultimately not going to be helpful. Resistance exercise is the foundational piece that protects your muscle and bone while on a low-calorie budget, and starting that practice now is an investment that pays you back for decades. Pair any weight loss effort with nutrient-dense protein and consider working with a dietitian. When your appetite is suppressed, every bite counts more. Prioritizing protein-rich, micronutrient-dense foods over energy-dense, nutrient-poor choices is how you lose fat rather than muscle. Dietetic support is not a luxury here, it is one of the most practical things you can do to protect your long-term health. Treat this as a teachable moment, not a finish line. Whether you are taking GLP-1s for aesthetic reasons or genuine clinical need, the goal is to use the reduced food noise as a reset. Build the habits now, including the exercise, the nutrition, the hydration, and the monitoring, so that if and when you come off the drug, your body is stronger than when you started.   Key Insights GLP-1 is a naturally occurring hormone. Semaglutide mimics it, suppressing appetite centrally and slowing gastric emptying. Receptors for GLP-1 are found throughout the body including the brain, gut, heart, and vasculature, which is why the drug has wide-ranging effects beyond just appetite reduction. Up to 40% of the weight lost on GLP-1 trials is lean mass, not fat. Roughly half of that lean mass loss is muscle. In practical terms, some trial data suggests a year on these drugs can produce muscle loss equivalent to approximately a decade of normal aging. When you stop the drug and regain weight, you gain fat, not muscle. Weight regain after stopping GLP-1s is almost entirely body fat, which means you can end up in a worse metabolic position than when you started if you haven't built a protective base of muscle. Micronutrient deficiencies are a real and underappreciated risk. Cutting food intake dramatically means calcium, vitamin D, iron, vitamin B12, and magnesium can all drop to concerning levels. A food-first approach to nutrient density is preferable to relying on supplements alone. Bone density goes in the wrong direction without the right interventions. One drug-company-run trial looking at bone density showed it declined, not improved. Resistance exercise, calcium, vitamin D, and adequate protein are the three nutrients and the stimulus that bone requires. Dehydration is a common and overlooked side effect. These drugs suppress the desire to drink as well as eat. Monitoring hydration is important, particularly for those experiencing elevated resting heart rate while on the medication. Real-world discontinuation rates are high. One study of 700,000 people found that 50% of users were off the drugs within a year, primarily due to cost and side effects. Trial data does not reflect what actually happens in the general population. For resistance training, the rep range matters less than the intensity. Anywhere from 3 to 25 repetitions can build muscle and bone effectively, provided the final reps are genuinely hard, approximately 1 to 2 reps shy of failure. Consistency over time matters more than any specific protocol. Protein targets should be roughly double the standard RDA. The RDA of 0.8g per kg of body weight is too low for most adults, and especially for those in a caloric deficit. Dr. Phillips points to approximately 1.6g per kg (0.7g per pound) as a more appropriate target, combined with resistance exercise. The case for GLP-1s is strongest where the clinical need is clearest. For people with a BMI over 30 and additional metabolic risk factors, the benefits, including reductions in major cardiovascular events, are substantial and well supported. The risk-benefit picture looks very different for someone who simply wants to lose 10 to 15 pounds.

Episode Summary In this episode, Jeremy sits down with Noah Rolland, CEO of NeuroTrainer and Smileyscope, to dig into the science of focus, attention, and long-term cognitive performance. They cover how the brain actually trains itself, why task-switching is harder than most people think, and what separates elite cognitive performers from everyone else. From neuroplasticity and VR-based brain training to the role of meditation, sleep, and cardiovascular fitness, this conversation makes a clear case that cognitive performance is trainable and that most of us are working against ourselves without realizing it. If you want to sharpen your focus and protect your brain for the long haul, this one is worth your full attention. Guest Bio Noah Rolland is a technology CEO and human performance advocate focused on advancing brain health, cognitive performance, and lifelong vitality. He serves as CEO of NeuroTrainer, a neuroscience-based VR platform designed to strengthen focus, decision-making, and mental resilience in athletes, military professionals, and high performers, and as CEO of Smileyscope, the first FDA-cleared virtual reality analgesic transforming how patients experience medical procedures. Through both companies, he leads the development of immersive technologies grounded in neuroscience and clinical science to reduce pain, improve performance, and protect long-term brain function. He is also the host of the FocusMatters podcast, where he speaks with experts across medicine, sport, defense, and human optimization about preserving cognitive capacity, enhancing attention, and building durable mental performance across the lifespan. A lifelong student of strength training, recovery, and disciplined living, he integrates science with daily practice in pursuit of sustained health, resilience, and peak performance at every age. Links NeuroTrainer: neurotrainer.com Contact Noah directly: [email protected] FocusMatters Podcast: search "FocusMatters" wherever you listen to podcasts YouTube Apple Spotify Waking Up (meditation app by Sam Harris): wakingup.com Three Actionable Takeaways Build your cardiovascular fitness as the foundation for focus. Noah's first move for anyone looking to improve cognitive performance is consistent aerobic exercise. The research is clear: cardiovascular fitness has a direct impact on how well your brain functions and how reliably you can access focus on demand. You don't need a complex program, you just need to move consistently. Prioritize sleep quality and protect your sleep routine with consistency. The information on sleep hygiene is widely available, but consistency is the lever most people overlook. Protect your pre-sleep routine the same way you protect your training schedule, because without it, nothing else you do for focus will land the way it should. Develop a dedicated focus practice that is separate from your work. Whether it's meditation, Tai Chi, kettlebell swings with full presence, or a tool like NeuroTrainer, you need a practice for training attention that is disconnected from your job or your goals. When your focus practice has no stakes, you can learn what focus actually feels like and build from there. That awareness is what gives you the ability to catch yourself when you drift. Key Insights Brain training and brain games are not the same thing. Games like Lumosity create the feeling of productivity but rely on rote repetition. Genuine brain training leverages neuroplasticity through sustained challenge, complex decision-making, and full cognitive engagement over time. VR is uniquely suited for cognitive training because it captures complete attention and creates controlled, scalable stress on the brain. The immersive environment allows trainers to manipulate cognitive load in ways flat screens or traditional methods cannot replicate. Cognitive priming can shorten the ramp-up time to peak focus. By triggering norepinephrine, acetylcholine, and dopamine in sequence, a focused pre-session activity can prime the brain for deep work before the real task begins. This "focus cocktail" is something NeuroTrainer deliberately produces in as little as five minutes. NeuroTrainer does not make you a better athlete directly. It increases your potential to access physical skills. If your gap is decision speed, reading the field, or mental resilience under pressure, training the brain closes that gap. If you cannot swing a bat, no cognitive tool will fix that. What separates elite performers from sub-elite performers is often cognitive, not physical. Jeremy's PhD research in reactive agility found that elite movers read and react to stimuli as fast in unpredictable conditions as in planned ones. Sub-elite athletes were often physically superior but cognitively slower, and that gap cost them. Task switching costs you more time than you think. After a true distraction, it takes the average person approximately 20 minutes to return to a focused state. Multitasking is largely a myth, and the more tasks you switch between, the more overall performance degrades unless you have specifically trained for it. We are always training our attention, intentionally or not. Smartphone use, social media scrolling, and constant context-switching are training the brain to expect fragmented input and short reward loops. That conditioning works against sustained focus whether you recognize it as training or not. Meditation is a trainable skill, not a personality trait. The most common reason people quit is they feel like they are bad at it. But noticing distraction and returning to the present moment is the practice, not a failure. That return is exactly the rep that builds attentional control over time. If sitting still is not accessible, a moving contemplative practice works just as well. Tai Chi, walking meditation, and similar practices train the same core skill: bringing your attention to what is happening right now. For people with ADHD or high arousal needs, these formats are a practical on-ramp to a focus practice. Self-judgment and comparison culture actively undermine cognitive performance. Noah's closing message was direct: wherever you are right now is where you are, and that is the only honest starting point. Journaling, gratitude, and practicing grace for yourself are not soft skills. They are structural supports for the kind of sustained effort that long-term performance requires.