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The AGEIST podcast is where we rewrite life after 50. Hosted by David Stewart, founder of AGEIST and Super Age, we talk with extraordinary people—scientists, creatives, and thinkers—about living vibrantly in your 50s, 60s, 70s and beyond. From longevity science to emotional well-being, fitness to purpose, we explore the tools and mindsets that help us stay curious, energized, and deeply engaged with life. This isn’t about aging gracefully—it’s about living boldly.
258 Episodes
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What if one simple molecule could improve your energy, brain clarity, hormone balance, and heart health? Functional nutritionist Dr. Cathy Eason joins us on The AGEIST Podcast to share why nitric oxide (NO) is an often-overlooked key to healthy aging, and how most people over 35 are deficient. She breaks down how testing your levels is a quick, simple way to know your NO levels (it only takes 15 seconds), as well as how to increase your NO through diet, lifestyle, and a clinically tested supp...
This week, we welcome Dr. Chris Renna back to The AGEIST Podcast to break down one of the most hyped but least understood subjects in modern health: stem cells. Along with providing a clear explanation of how different types of stem cells function, he talks about how they interact with our immune systems and why most “stem cell therapies” people hear about are missing the point. Tune in to learn what actually works, the difference between redeploying vs. reloading stem cells, and the critical...
Author and longevity advocate Sieglinde Othmer, PhD, is rewriting the narrative of aging. From her book, Joyous Longevity: The A to Z Field Guide, to this inspiring conversation, she shares the simple yet powerful habits that help her stay mentally sharp, physically well, and joyfully engaged with life. From morning walks with a notepad to her Mediterranean-style diet, Sieglinde outlines the daily practices that anyone can adopt at any age. Tune in to walk away with fresh motivation to take c...
How do you treat alcohol use disorder (formerly called alcoholism) without requiring total abstinence? This week, Dr. Paul Kolodzik returns to The AGEIST Podcast to discuss his pioneering work around GLP-1s: using these medications to help people reduce their alcohol intake. Drawing on his background in emergency and addiction medicine, Dr. Kolodzik outlines how these off-label uses can drastically reduce consumption, often by 60–70%, even in heavy drinkers. Learn why harm reduction, not abst...
Brian MacKenzie has trained some of the world’s top athletes, but today his focus is on something far more universal: how we breathe and regulate stress. In this episode of The AGEIST Podcast, he breaks down why breath control is the most underutilized tool for improving health, sleep, and performance at any age. He explains how the nervous system can be trained just like a muscle, offering practical tools to build resilience and adaptability in daily life. Tune in to walk away with new strat...
What if the aches and pains of aging weren’t inevitable but simply a sign of movement malnourishment? Katy Bowman, biomechanist and author of several books, including Move Your DNA, returns to challenge everything you thought you knew about exercise and health. She introduces the idea of a “movement diet”—a diverse mix of postures and motions your body needs daily for optimal function—and breaks down how to rethink movement beyond the gym. Plus, she explains why sitting on the floor could be ...
Can you heal your cardiovascular system with food? Dr. William Li returns to explain how inflammation, oxidative stress, and poor lifestyle habits damage your blood vessels–and what you can do to reverse it. From fruit peels to dark chocolate, he outlines specific nutrients that signal stem cells to “re-pave” your vascular highways. You’ll also learn the simple daily practices he recommends to keep your brain sharp, heart strong, and energy high well into your later decades. How long will you...
Best-selling author and behavior change expert Karen Salmansohn shares how mortality awareness can be one of the most powerful motivators for living with purpose. She explains her concept of a “near-life experience,” when people go through the motions instead of fully engaging in their lives, and how to break free from it. Karen offers practical tools—like writing your aspirational eulogy and linking core values to habits—that help listeners live with urgency and authenticity. Her upcoming bo...
At Maui Nui, Jake Muise isn’t just producing venison–he’s redefining what sustainable, nutrient-dense food looks like. In this episode, Jake unpacks the ecological damage caused by invasive axis deer in Hawaii and how his company uses USDA-certified night harvesting to turn a problem into a protein solution. He explains the connection between deer diet, volcanic soil, and unmatched nutrient density, and how this wild-harvested meat supports both local communities and long-term environmental h...
Olympian and innovation expert John Coyle joins us to reframe our understanding of time, memory, and the pursuit of meaningful experiences. Through the lens of neuroscience and Greek philosophy, he explains how our brains don’t count minutes–they count moments. He offers a practical roadmap to “time expansion,” showing how strategically designed risks and emotionally charged experiences can help us feel like we're living longer, more vibrant lives. For anyone feeling like time is slipping awa...
Can targeted peptides enhance your energy, immune response, and even appearance as you age? Dr. Chris Renna, a pioneer in longevity medicine, shares decades of clinical insights and why peptides are rapidly shifting from fringe to foundational. This conversation covers everything from GLP-1 drugs to collagen-stimulating skincare and the crucial role belief plays in health outcomes. For anyone interested in practical, science-backed tools to stay strong, sharp, and resilient over time–this one...
On this week's episode of The AGEIST Podcast, Stacy London shares her candid, inspiring take on midlife, aging, and why movement–both physical and emotional–is key to thriving. She explains how physical strength transformed her mindset and gave her the courage to embrace risk, explore curiosity, and reclaim joy. Stacy opens up about menopause, people-pleasing, and the emotional recalibration that happens when we stop shrinking ourselves to fit outdated expectations. Tune in to walk away with ...
Dr. Edythe Heus is revolutionizing how we understand movement, performance, and injury recovery. In this episode, she explains why traditional fitness methods often fail, especially as we age, and introduces her approach through Revolution in Motion. You’ll learn how fascia plays a central role in movement and how instability-based exercises lead to better neurological health and performance. Whether you're an elite athlete or just want to move pain-free, Dr. Heus provides practical, science-...
Christine Sperber has built a life around reinvention, curiosity, and risk-taking. From her days as a World Cup snowboarder to co-founding MEA in Baja and Santa Fe, Christine shares why she believes it's essential to play games you're not sure you can win. In this episode, we talk about rejecting the comfort of competence, embracing "the kook zone," and how making lifestyle-driven choices can expand time and purpose. Christine explains why 55 feels like a beginning, not an end–and why now is ...
If you think fiber is boring, think again. In this episode of The AGEIST Podcast, Dr. Will Bulsiewicz, best-selling author and gut health expert, explains how gut health shapes everything from your mood and immune system to how you age. He shares why plant diversity, not calorie counting, is the key to better health, and how personalized nutrition is replacing outdated one-size-fits-all advice. Tune in to walk away with real, actionable ideas for feeling better—and it all starts with your nex...
At 70, journalist John Koten never expected to become an authority on skincare, but that’s exactly what happened. After 20 skin cancer surgeries, he set out to understand what actually works–and what doesn’t–when it comes to caring for aging skin. In this episode of The AGEIST Podcast, John shares the scientific and personal insights from six months of testing top-rated products and interviewing experts. Take a listen to walk away with specific routines, surprising product recommendations, an...
Movement teacher Carrie Owerko joins us this week on The AGEIST Podcast to break down how curiosity and joy can transform the way we move, age, and live. Carrie describes herself as both a movement optimist and an “optionist,” someone who believes in varied, adaptable practices over rigid routines. She shares how play, autonomy, and experimentation fuel sustainable physical habits, regardless of age or ability. So if you’ve ever felt boxed in by fitness dogma or hesitant to try something new,...
Most people think mobility means stretching. Dr. Andreo Spina, founder of Functional Range Systems, says that couldn’t be further from the truth. In this week's episode of The AGEIST Podcast, he unpacks how joint-specific training leads to long-term health and real resilience–whether you’re an athlete or just trying to age better. Learn why the exercises you’ve been told are “good” might be causing your body more harm than help, and how to better understand what your body actually needs. How ...
If you aren’t getting adequate sleep, a lot of physical and mental problems can follow—from the obvious symptoms like fatigue and brain fog to more serious things like an increased risk of dementia. What is an adequate amount of deep and REM sleep? What are the minimum and maximum amounts of sleep we need each night? What should we do if we wake up in the middle of the night? What’s the deal with intermittent fasting and sleep? Should we take melatonin? Dr. Michael Breus, “The Sleep Doctor,” ...
Do you ever feel like things just aren’t clicking? This week’s guest on The AGEIST Podcast, Rabbi Asher Gottesman, shares his personal path from addiction to sobriety and from shame to self-worth. He explains how loneliness is the real epidemic, and why connection—not just to others, but to ourselves—is the cure. Asher offers clear, grounded advice for building community, rewiring self-talk, and finally feeling seen. How long will you live? Take our quiz today to find out! Visit ageist.com/...
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way too much marketing
tried getting a CGM, even with type2 diabetes but not injecting insulin, manufactueres wont let you have one without a prescription. tried to get pressrciption but dr reckons getting one leads to bad practice. so much for self management