We've become incredibly good at treating disease. So why are so many people still getting sicker?

In this episode of the Healthy Brain Toolbox, I sit down with internationally recognized preventive medicine expert Dr. David Katz for a conversation that challenged some of my deepest assumptions about health and healthcare.

Together, we explore why modern medicine may be asking the wrong questions, what we've misunderstood about prevention, and one simple shift in thinking that could change the way you approach your health for years to come.

If you're interested in brain health, longevity, or simply living better, I think you'll find this conversation both eye-opening and inspiring.

▶️ Watch now, then let me know what resonated with you most.

If you enjoyed this episode, please 👍 Like, 💬 Share, and 🔔 Subscribe to the Healthy Brain Toolbox for more conversations that help you build a healthier brain and a healthier life.

Key Takeaways:

• Why Dr. Katz champions prevention over treatment
• The six pillars of lifestyle medicine
• Why nutrition confusion is largely manufactured
• Health as the foundation of vitality and longevity
• The Blue Zones lesson on social connection
• Distress vs. eustress: stress that builds resilience
• From physician to health coach
• DietID: Making diet quality a vital sign

About the Guest

Dr. David Katz is a globally recognized leader in preventive and lifestyle medicine. He is the founder of the Yale-Griffin Prevention Research Center, the True Health Initiative, and Diet ID. Dr. Katz has authored 19 books and more than 250 peer-reviewed scientific publications, making him one of the world's leading voices in nutrition and preventive health.

Additional Resources

Website

• www.davidkatzmd.com

Facebook

• www.facebook.com/DrDavidKatz

YouTube

• www.youtube.com/@DrDavidLKatz

Books

• How To Eat: All Your Food and Diet Questions Answered
• Disease-Proof: Slash Your Risk of Heart Disease, Cancer, Diabetes, and More--by 80 Percent
• Nutrition in Clinical Practice
• The Flavor Point Diet

From the Toolbox to Your Life:

1. Subscribe to The Healthy Brain Toolbox on Spotify, Apple Podcasts, and YouTube to stay informed, inspired, and equipped with cutting-edge insights in brain health and integrative medicine.
2. Know a colleague, patient, or loved one who could benefit from this episode? Share it with someone navigating their cognitive health journey—or someone building a mission-driven, holistic practice. Let’s amplify awareness and spark transformation together.
3. If you found this episode valuable, please consider leaving a review. Your support helps us reach more listeners and continue bringing brain-savvy, soul-centered insights to the world.
4. Join the conversation. Connect with me on social media for clinical pearls, practical strategies, and empowering conversations at the intersection of brain health and whole-person care.

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What happens when the human body is pushed through 10 Ironman-distance triathlons back-to-back, and what does the brain learn from that kind of pressure?

In this episode, JD Tremblay, ultra-endurance athlete, engineer, veteran, author, and founder of the Hungry Warrior Academy, shares what it takes to operate at the edge of human endurance.

But this conversation goes far beyond sport. JD breaks down how discipline is built through systems, why one non-negotiable can transform behavior, and why recovery and energy regulation matter more than constant output. He reframes pain, performance, and resilience in a way that connects to brain health and long-term well-being.

Key Takeaways

• The difference between DNS, DNF, and Finisher
• How pride delayed JD’s first triathlon
• The power of your personal non-negotiable
• Energy regulation and the B.R.A.I.N. framework
• Tackling one “enemy” at a time instead of overhauling your whole life

About the Guest

JD Tremblay is the founder of the Hungry Warrior Academy, an ultra-endurance triathlete who operates at the edge of human limits. As one of only three people in the world to complete the EpicDeca, he’s proven what relentless discipline and mental toughness can achieve. His mission now is simple: help others raise their standards, master their mindset, and their pursue goals.

Additional Resources

Website

• www.hungrywarrioracademy.com
• www.hunger4more.com

LinkedIn: www.linkedin.com/in/jd-tremblay-2b6215256

Facebook

• www.facebook.com/jdtremblaytri
• www.facebook.com/profile.php?id=61559051615885

Instagram

• www.instagram.com/jdtremblaytri
• www.instagram.com/hungrywarrioracademy

TikTok: www.tiktok.com/@hungrywarrioracademy

YouTube: www.youtube.com/@Hungry-Warrior-Academy

Book: Hunger For More in Life

From the Toolbox to Your Life:

1. Subscribe to The Healthy Brain Toolbox on Spotify, Apple Podcasts, and YouTube to stay informed, inspired, and equipped with cutting-edge insights in brain health and integrative medicine.
2. Know a colleague, patient, or loved one who could benefit from this episode? Share it with someone navigating their cognitive health journey—or someone building a mission-driven, holistic practice. Let’s amplify awareness and spark transformation together.
3. If you found this episode valuable, please consider leaving a review. Your support helps us reach more listeners and continue bringing brain-savvy, soul-centered insights to the world.
4. Join the conversation. Connect with me on social media for clinical pearls, practical strategies, and empowering conversations at the intersection of brain health and whole-person care.

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In this episode of the Healthy Brain Toolbox, Iowa State Senator and U.S. Senate candidate Zach Wahls shares his journey from a viral 2011 Iowa House testimony to becoming a national advocate for healthcare, housing, and policy reform.

He opens up about his family story, his mother’s MS diagnosis, and how lived experiences with chronic illness, discrimination, economic insecurity shaped his focus on healthcare access, housing stability, and equal protection.

Zach also explores bridging urban and rural divides through shared everyday concerns, campaign finance reform, and the ongoing debate around Citizens United.

👉 If you found this conversation valuable, like, share, and subscribe for more discussions on brain health, policy, and whole-person wellness.

Key Takeaways:

• Zach Wahls’ viral 2011 testimony and the courage behind it
• Healthcare as a human right (and why rural hospitals are closing)
• Medicaid cuts and their ripple effect on small-town America
• Big money in politics and the Citizens United turning point
• Prescription drug costs, PBMs, and pharmacy deserts
• AI, social media, and the future of mental health

About the Guest

Zach Wahls is an Iowa State Senator, nationally recognized advocate, and former Iowa Senate Democratic Leader, the youngest in state history. He first gained national attention for his 2011 testimony about growing up with two mothers, later becoming a bestselling author and co-founder of Scouts for Equality. A graduate of Princeton University and the University of Iowa, he is focused on expanding opportunity, lowering costs for families, and building a new generation of leadership.

Additional Resources

Website: www.zachwahls.com

LinkedIn: www.linkedin.com/in/zachwahls

Facebook: www.facebook.com/zach.wahls

Threads: www.threads.com/@zachwahls

Instagram: www.instagram.com/zachwahls

TikTok: www.tiktok.com/@zachwahls

X: https://x.com/zachwahls

Book: My Two Moms: Lessons of Love, Strength, and What Makes a Family

From the Toolbox to Your Life:

1. Subscribe to The Healthy Brain Toolbox on Spotify, Apple Podcasts, and YouTube to stay informed, inspired, and equipped with cutting-edge insights in brain health and integrative medicine.
2. Know a colleague, patient, or loved one who could benefit from this episode? Share it with someone navigating their cognitive health journey—or someone building a mission-driven, holistic practice. Let’s amplify awareness and spark transformation together.
3. If you found this episode valuable, please consider leaving a review. Your support helps us reach more listeners and continue bringing brain-savvy, soul-centered insights to the world.
4. Join the conversation. Connect with me on social media for clinical pearls, practical strategies, and empowering conversations at the intersection of brain health and whole-person care.

• Facebook
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• LinkedIn