AGEIST

David Stewart
AGEIST
Latest episode

284 episodes

  • AGEIST

    Christene Barberich: How to Edit Your Life at 57

    16/04/2026 | 49 mins.
    A conversation with the Refinery29 founder and mind behind A Tiny Apt. about what midlife sharpens: your sense of what matters, what no longer fits, and how your surroundings affect your mood, sleep, and energy. Christene explains why small changes at home can reduce background stress, why reinvention feels more urgent with age, and how to make choices that reflect who you are now rather than who you used to be. Listeners will come away with a clearer way to think about editing their space, protecting their attention, and moving toward change without waiting for perfect conditions. It is a practical episode about building a life that feels more intentional, more livable, and less crowded by other people’s expectations.

    Special Thanks to Our Sponsors
    LMNT Electrolytes: Our #1 electrolytes for optimal hydration, and their new 12oz sparkling cans are officially for sale online! Get a free Sample Pack of LMNT’s most popular drink mix flavors with any purchase by using our link here. Find your favorite LMNT flavor, or share with a friend.
    Timeline Nutrition: Our favorite supplement for cell support and mitochondrial function. Listeners can now get 20% off their first Timeline purchase by using the code “AGEIST” at checkout at TimelineNutrition.com/ageist.

    Key Moments
    “And I’m gonna tell you, if you have trouble sleeping, paint your bedroom a dark color, because my husband and I feel like we are in a hotel room every night.”
    “I don’t want to leave anything on the table. I want to make it to the end and just be like, I f***ing played that hand so well, and I didn’t play it small. And that can be really scary, you know, especially when you feel like failure is more detrimental as you get older and harder to recover from.”
    “You don’t have to conquer your goals overnight, but when you start moving in the direction of it, when you make that decision, it is like, miracles really do start to happen.”

    Connect with Christene
    A Tiny Apt. Substack
    Instagram
    Profile Interview for AGEIST

    Connect with AGEIST
    Newsletter
    Instagram
    Website
    LinkedIn

    Click Here for the full interview transcript.
    Say hi to the AGEIST team!
  • AGEIST

    Joanne Stanway: Holograms, Not Dinosaurs

    09/04/2026 | 36 mins.
    Ever wonder what holographic communication actually looks like in practice? Joanne Stanway, in tandem with Proto, has her finger on the pulse and plays an active role in the development of the medium, from life-size live beaming to AI personas that can answer questions in real time. She also gives a clear account of late-career reinvention, including what changed when she left a long-term PR role to start a company with her daughter at 62. Listeners will come away with a better understanding of how this technology can improve training, education, and patient communication rather than simply add novelty to an experience. The episode is especially useful for anyone thinking about the future of healthcare, women-led entrepreneurship, and how to keep evolving without aging into someone else’s idea of obsolete.

    Special Thanks to Our Sponsors
    Timeline Nutrition: Our favorite supplement for cell support and mitochondrial function. Listeners can now get 20% off their first Timeline purchase by using the code “AGEIST” at checkout at TimelineNutrition.com/ageist.
    LMNT Electrolytes: Our #1 electrolyte for optimal hydration, and their new 12oz sparkling cans are officially for sale online! Get a free Sample Pack of LMNT’s most popular drink mix flavors with any purchase by usingour link here. Find your favorite LMNT flavor, or share with a friend.

    Key Moments
    "I would give anything to have a hologram of my parents."
    "I feel both terrified and exhilarated at the same time."
    "This is absolutely the next phase of communications."

    Connect with Joanne
    Geminai site: geminaitech.com
    Proto Hologram: protohologram.com

    Connect with AGEIST
    Newsletter
    Instagram
    Website
    LinkedIn
    Click Here for the full interview transcript.
    Say hi to the AGEIST team!
  • AGEIST

    Dr. Chris Rhodes on Fasting Without Hunger

    02/04/2026 | 45 mins.
    Dr. Chris Rhodes explains what fasting is actually doing in the body, where the benefits begin, and why shorter fasting windows may not deliver what many people expect. He walks us through the science behind fasting mimetics, including how his team studied a 36-hour fast and built a supplement around the molecules that arise during it. You come away with a clearer way to think about hunger control, food noise, metabolic health, and the tradeoffs between fasting, appetite-suppressing drugs, and everyday eating. He also offers a sharp take on saturated fat hype and makes the case for a more personal, evidence-based future in nutrition.
    Save 20% on Mimio with code: AGEIST20
    Big Announcement: The Super Age Games are here! Join us November 7th in NYC for an entirely new longevity competition.
    Special Thanks to Our Sponsors
    LMNT Electrolytes: Our #1 electrolytes for optimal hydration, and their new 12oz sparkling cans are officially for sale online! Get a free Sample Pack of LMNT’s most popular drink mix flavors with any purchase by using our link here. Find your favorite LMNT flavor, or share with a friend.
    Fatty15: C15:0 is the first essential fatty acid to be discovered in over 90 years, and Fatty15 is on a mission to optimize your C15:0 levels to help support your long-term health and wellness—especially as you age. You can get an additional 15% off their 90-day subscription Starter Kit by going to fatty15.com/AGEIST and using the code “AGEIST” at checkout.
    Our Place: The top cookware brand for beautiful, non-toxic, PFA-free pots and pans. Use the code “AGEIST” for 10% off at fromourplace.com. 
    Key Moments
    "What most people do not realize is that they are often not getting the benefits of fasting that they think that they are getting."
    “From a biological perspective, it takes around 24 hours without food in order to actually activate that metabolic switch where you're going from, you know, fed metabolism, glucose metabolism, over into ketone metabolism and fasting metabolism.”
    "Let's find patterns that work specifically for you."
    Connect with Chris Rhodes
    Website: mimiohealth.com
    LinkedIn: linkedin.com/in/chrishrhodes
    Connect with AGEIST
    Newsletter
    Instagram
    Website
    LinkedIn
    Click Here for the full interview transcript.
    Say hi to the AGEIST team!
  • AGEIST

    David Vaux (Revisited): Surprising Benefits of Simple Fitness Habits

    26/03/2026 | 53 mins.
    Looking for quick strategies for building sustainable fitness habits? This week, we revisit a conversation with former firefighter-turned-osteopath and author David Vaux, where he shares wisdom from a lifetime of grit and strength. We all know that muscle mass will greatly improve our healthspan, but the perfect way to build and maintain that strength can be elusive. Get the inside scoop on balancing physical challenges with proper recovery. Find key guidance on staying fit and resilient, no matter your age.

    Thanks to our sponsors:
    Timeline Nutrition — our favorite supplement for cell support and mitochondrial function. Listeners receive 20% off your first order of Mitopure with code AGEIST at TimelineNutrition.com/ageist.

    LMNT Electrolytes – Our #1 electrolytes for optimal hydration, and their new 12oz sparkling cans are officially for sale online! Get a free Sample Pack of LMNT’s most popular drink mix flavors with any purchase by using our link here. Find your favorite LMNT flavor, or share with a friend.

    Our Place – our favorite cookware brand for non-toxic, PFA-free pots and pans. Use code AGEIST for 10% off at fromourplace.com

    Key Quotes
    “Fast-twitch fibers are the currency of healthy aging.”
    “It's not about becoming injured or burnt out; it's about consistency.”
    “Strength training is like brushing your teeth: something you just do.”

    Connect with David Vaux
    Book Stronger: How to Build Strength, The Secret to a Longer, Healthier Life
    LinkedIn  
    Twitter
    Full Transcript
    Connect with AGEIST
    Newsletter
    Instagram
    Website
    Say hi to the AGEIST team!
  • AGEIST

    Donnie Moss: Strength Training Starting at 55

    19/03/2026 | 34 mins.
    Donnie Moss explains how she went from cardio-only routines to strength training at 55 and why she now pushes “move every day” as the baseline for feeling better. She shares a practical approach built around short, doable workouts that help midlife women rebuild consistency without making fitness an all-or-nothing identity. The conversation also gets real about menopause symptoms that can feel scary when nobody has named them, plus how mindset and self-talk can shape follow-through. You’ll leave with simple starting points, a clearer way to measure progress, and the motivation to take one small step today that stacks into momentum.
    Special Thanks to Our Sponsors
    Puori Grass Fed Whey Protein: 21g of whey protein per serving from grass-fed cows, with 6g BCAAs and 2.4g leucine, free from hormones, GMOs, and pesticides. Use code AGEIST at puori.com/AGEIST to get 32% off Puori Grass-fed Whey Protein when you start a subscription.
    Fatty15: C15:0 is the first essential fatty acid to be discovered in over 90 years, and Fatty15 is on a mission to optimize your C15:0 levels to help support your long-term health and wellness—especially as you age. You can get an additional 15% off their 90-day subscription Starter Kit by going to fatty15.com/AGEIST and using the code “AGEIST” at checkout.
    LMNT Electrolytes: Our #1 electrolytes for optimal hydration, and their new 12oz sparkling cans are officially for sale online! Get a free Sample Pack of LMNT’s most popular drink mix flavors with any purchase by using our link here. Find your favorite LMNT flavor, or share with a friend.

    Key Moments
    “I started doing my strength training at 55, so a few years back.”
    “Fierce is... It’s a mindset.”
    “At any age, whether you are 45 or 75, I believe it is never too late.”

    Connect with Donnie Moss
    Instagram: https://www.instagram.com/fitandfiercewithdonnie/
    Website: https://fitandfiercewithdonnie.com/

    Connect with AGEIST
    Newsletter
    Instagram
    Website
    LinkedIn
    Click Here for the full interview transcript.
    Say hi to the AGEIST team!

More Education podcasts

About 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.
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