Does Walking Improve Thinking?

In this special live-recorded episode, actor Luke Cook—known for Chilling Adventures of Sabrina and Guardians of the Galaxy Vol. 2—joins me for a raw, unfiltered conversation about what it really means to live well. Recorded during A Boundless Evening at HUME Los Angeles, this fireside chat brings together curiosity, science, and honest reflections on health, performance, and purpose.

We start with the rhythms of daily life—how I approach mornings, training, and eating while traveling—and why balance beats perfection. You’ll hear how my cyclical keto approach helps me stay sharp and grounded while still enjoying the moments that matter. From movement habits and fasted training to the little environmental tweaks that keep me active throughout the day, we explore how health can be both sustainable and joyful.

We dive into the evolving world of biohacking—cold plunges, nootropics, and stress adaptation—through both skepticism and lived experience.

The conversation goes deeper than supplements or science. We reflect on the connection between discipline and creativity, the balance between ambition and family, and why my personal philosophy centers on healthspan, not just lifespan.

Full show notes: https://bengreenfieldlife.com/firesidechatla/

Episode Sponsors: 

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Sunlighten: Discover the ultimate efficiency in wellness with the Sunlighten Solo System, a compact, portable far infrared sauna designed to detoxify, reduce stress, improve sleep, and enhance heart health—all while fitting seamlessly into your daily routine. Save $600 or more today and start biohacking your mind, body, and spirit at get.sunlighten.com/ben.

Hiya: Give your kids the full-body nourishment they need to grow into healthy adults. I’ve secured a special deal with Hiya on their best-selling children's vitamin—get 50% off your first order today! To claim this deal, you must go to hiyahealth.com/BEN (it is not available on their regular website).

Qualia: Qualia Stem Cell combines 15 science-backed ingredients to support stem cell proliferation, migration, and differentiation, so you can heal and repair with a youthfulness that DEFIES your age. Visit qualialife.com/boundless and use code BOUNDLESS for 15% off your order.

Organifi Shilajit Gummies: Harness the ancient power of pure Himalayan shilajit anytime you want with these convenient and tasty gummies. Get them now for 20% off at organifi.com/Ben.

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