David Stewart
AGEIST
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.
Where to listen?
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Episodes
Dr. Joy Hussain: Thermo-Flexibility Is Real 09.01.2025 1:15:27
This week, Dr. Joy Hussain shares new insights from her sauna therapy research and its transformative potential for health. Think of heat/cold exposure as training on par with exercise or brain training. Learn how sweating impacts metabolic health, the connection between hormones and thermoregulation, and how sauna use could alleviate menopause symptoms. Dr. Hussain discusses gender differences in...
Dr. Nicole Bijlsma on Hidden Home Toxic Hazards 02.01.2025 57:56
How much do you know about your home’s impact on your health? Dr. Nicole Bijlsma, environmental health expert and building biologist, uncovers the often-overlooked hazards lurking in our everyday environments. From the risks of mold and dust to the surprising health effects of electromagnetic fields (EMFs), she offers actionable advice to create safer, healthier spaces. Learn why a simple change l...
Tina Frey: Meditation Like You’ve Never Seen 19.12.2024 55:17
“When people left the orb in tears, I knew I’d created something that truly touched their souls.” - Tina Frey The prolific artist’s latest groundbreaking project has redefined how meditation can look and feel. By combining frequency-based vibration, guided meditations, and her own immersive vision, Tina's comforting, five-foot structure helps people access peace, love, and joy in just 15 minu...
Dr. Rachel Allen Debunks Ketamine Myths 12.12.2024 56:55
This week’s episode is a rerun of our captivating conversation with Dr. Rachel Allen, an anesthesiologist and ketamine therapy pioneer. Dr. Allen discusses how ketamine—a medication she has used for decades in her practice—has evolved into a groundbreaking treatment for depression, PTSD, and anxiety. She shares deeply personal patient stories and explains the science behind the “snowglobe effect,”...
Dr. Cindy Tsai: Healing Beyond Medicine 04.12.2024 50:24
Dr. Cindy Tsai, a double board-certified physician in internal and integrative medicine, brings a transformative perspective to health and wellness. Drawing from her own journey through a rare autoimmune condition, Dr. Tsai champions a holistic approach that integrates Western medicine with complementary therapies like energy healing and mindfulness. In this episode, she explains why understanding...
Ron Kastner: What’s Your “Why” for Life? 27.11.2024 51:49
Ron Kastner’s story highlights the transformative power of finding your “why.” In this episode, he shares how a single moment of clarity—recognizing his desire to be present for his daughters—sparked a complete overhaul of his lifestyle. Ron explains why defining a personal purpose is essential for sustaining habits that support health and vitality, especially as we age. With actionable tips on ex...
Dr. Marc Cohen Reveals Sauna Study Misconceptions 21.11.2024 1:03:22
Dr. Marc Cohen reveals a significant oversight in the celebrated Kuopio Ischemic sauna study , which linked sauna use with a marked decrease in all-cause mortality: the critical role of cold exposure. While the research attributes dramatic health benefits to saunas alone, Dr. Cohen points out that in Finland, the practice inherently includes cold plunges—a factor often excluded in Western interpre...
Inside the Global Wellness Summit 2024 14.11.2024 30:44
David Stewart shares highlights from his keynote at the Global Wellness Summit in Scotland, where he explored wellness trends and the expanding importance of optimism in health. Research shows that a positive mindset and simple health practices—like quality sleep and exercise—can have more impact than high-cost interventions. Today, wellness is a booming $6.3 trillion industry now outpacing tech,...
What Dr. Amy Killen Says About Aging 07.11.2024 45:27
Dr. Amy Killen joins the podcast to discuss how real-time health metrics and personalized tracking are revolutionizing modern wellness. With her expertise in regenerative medicine, Dr. Killen provides a roadmap for optimizing health and making informed choices based on individual needs. She explores the benefits of emerging health tech like continuous glucose monitoring and wearable devices, which...
Dr. Scott Sherr: Prevent Winter Colds 31.10.2024 55:45
Find yourself feeling a sniffle coming on as winter descends? In this episode, Dr. Scott Sherr shares actionable insights into strengthening immunity, particularly during the colder months. He explains the importance of balancing our exposure to germs for immune resilience and highlights nutrient-rich diets, hydration, and supplements like cordyceps mushrooms to boost immune function. Dr. Sherr al...
Dr. Leah Johansen: How Self-Belief Impacts Disease 24.10.2024 51:18
In this episode, Dr. Leah Johansen shares how belief systems and emotional well-being directly impact physical health. She explains the intricate relationship between self-worth and chronic disease, revealing practical methods to achieve optimal health. Through breathwork, awareness, and understanding our electromagnetic field, Dr. Johansen shows how we can reduce stress and elevate our lives. Lis...
Dr. Linda Eller’s Guide to Stress-Free Wellness 17.10.2024 54:56
Practical, sustainable steps for fostering health and resilience in the midst of life’s everyday challenges with Dr. Linda Eller, D.O. Through her unique perspective, Dr. Eller explains how small, mindful changes can create a foundation for long-term wellness and reduced stress. She addresses common pitfalls in modern health practices, guiding listeners on how to establish a truly balanced lifesty...
Dr. Jen Wagner: Navigating Menopause and Longevity 10.10.2024 56:04
Join us for a new take on menopause, hormone therapy, and more with Dr. Jen Wagner, a seasoned physician and advocate for women's health. Dr. Wagner discusses how the conversation around hormone therapy has evolved, and why it's crucial for women to understand their options in managing symptoms like hot flashes, muscle loss, and declining bone density. She also shares insights into why o...
Ashley Selman: Muscle and Strength After 50 03.10.2024 49:47
Want to build muscle and avoid injury at all costs? Blood flow restriction (BFR) training is a powerful, yet low-impact method that helps build strength, muscle, and bone density without the risks associated with heavy lifting. Professional trainer and former athlete Ashley Selman joins us to explain how this tool is especially beneficial for women over 40, helping to combat muscle loss and maint...
Dr. Stacy Sims: The Workout Mistake Women Make 26.09.2024 53:54
Do you know the crucial differences in how women and men should approach fitness and aging? This week, women’s health expert Dr. Stacy Sims breaks down the impact of hormonal changes, explaining why women 40+ need to shift their workout routines to see real results. The keys here are high-intensity training and strength-building for women’s long-term health. Dr. Sims explains how to tailor exercis...
How Joan MacDonald Lost 70 Pounds After 70 19.09.2024 50:02
In this rebroadcast of one of our favorite episodes from 2021, Joan MacDonald shares her journey from struggling with high blood pressure, acid reflux, and excess weight to becoming a fitness inspiration for millions. With the help of her daughter/fitness trainer Michelle, the now-fitness-phenom turned her entire health trajectory around after the age of 70. Whether it be counting calories or rota...
Secrets of Living Smarter with Linsly Donnelly 12.09.2024 1:03:16
Hear Linsly Donnelly’s hands-on approach to navigating the health and longevity space. In this episode, we discuss how to use self-experimentation and data to optimize well-being across multiple pillars of health, from nutrition and fitness to mental clarity. Linsly emphasizes that this personalization of health strategies through accessible testing can lead to sustainable improvements in energy a...
Skincare Science with Alessandra Zonari 05.09.2024 51:28
This week’s episode delves into the science of skincare for those over 50, featuring Dr. Alessandra Zonari, PhD, co-founder and chief scientific officer of OneSkin . Dr. Zonari shares her journey in stem cell research and tissue engineering, which led to a significant discovery in skin biology. We explore the scientific process behind identifying a specific peptide that has shown promise in reduci...
Why Men Are Struggling Today with Jeff Hamaoui 29.08.2024 59:10
Gain valuable tools for navigating the complexities of modern masculinity from Jeff Hamaoui, co-founder of the Modern Elder Academy. Learn about practical strategies for combating loneliness, finding purpose, and enhancing emotional intelligence. Thanks to our sponsors: Our Place – our favorite cookware brand for non-toxic, PFA-free pots and brands. Use code “AGEIST” for 10% off at fromourplace.co...
Picabo Street: Success Formulas For Everyone with an Olympic Gold Medalist 21.08.2024 1:11:43
Ever heard of a “gold medal mindset?” This week, we learn all about endurance, determination, and goal-setting from an Olympic gold medalist. Champion skier Picabo Street shares her journey from the slopes to a life beyond competitive skiing. She discusses the challenges athletes face when transitioning out of sports and how she managed the physical and emotional toll of her career. Picabo offers...
Women Are Not Smaller Versions of Men with Dr. Jen Wagner 14.08.2024 51:26
Ever wondered why women are more prone to certain injuries in sports, or why burnout rates are higher among female professionals? This week, Dr. Jen Wagner, an expert in human performance, breaks down critical physiological differences between men and women that have been overlooked for too long. She shares actionable insights on how women can build resilience and excel in their careers and person...
Surprising Benefits of Simple Fitness Habits with David Vaux 07.08.2024 54:34
Looking for quick strategies for building sustainable fitness habits? This week, former firefighter-turned-osteopath and author David Vaux shares wisdom from a lifetime of grit and strength. We all know that muscle mass will greatly improve our health span, but the perfect way to build and maintain that strength can be elusive. Get the inside scoop on balancing physical challenges with proper reco...
Dr. Will Bulsiewicz: Unlocking Gut Health 31.07.2024 54:15
This week on the SuperAge podcast, we welcome Dr. Will Bulsiewicz, a renowned gastroenterologist and gut health expert. Dr. B shares his personal health journey with an emphasis on fiber, revealing how dietary changes transformed his life and inspired his medical practice. We discuss the critical role of fiber in maintaining a healthy gut microbiome, debunk common myths about gluten, and highlight...
The Hidden Power of Emotional Regulation: Expert Tips with Dr. Richard Louis Miller 25.07.2024 50:51
Today on the SuperAge podcast, we are joined by Dr. Richard Louis Miller, a pioneer in the field of psychedelic medicine and psychotherapy. Dr. Miller discusses practical techniques for controlling your mind and emotional self-regulation, emphasizing the importance of these skills for mental well-being. He also shares his unique insights on the use of psychedelics for treating end-of-life anxiety,...
Peak Performance for Life with Steven Kotler 17.07.2024 1:13:05
This week on the SuperAge podcast, we sit down with Steven Kotler, renowned author and expert on flow states and peak performance aging. Steven shares his groundbreaking insights on how flow can significantly improve our quality of life and even extend our longevity. We discuss the practical applications of flow in everyday life and its potential to mitigate mental health challenges like depressio...
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