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Healthspan, Inflammation, & the Real Drivers of Aging

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“When you have measurable inflammation, the million-dollar question is: What is your immune system trying to protect you from?” — Dr. Tom O’Bryan

In this episode of the One Medicine Podcast, Rob Lutz speaks with Dr. Tom O’Bryan about the growing focus on healthspan — not just living longer, but staying healthier for longer. Dr. O’Bryan explains why the key to graceful aging is reducing chronic inflammation, and why so many common “age-related” conditions are actually driven by underlying immune activation.

Dr. O’Bryan also unpacks how lipopolysaccharides (LPS), leaky gut, environmental toxins, oxidative stress, and hidden food sensitivities can all contribute to inflammation and accelerate disease. He shares practical clinical insights, testing strategies, and simple lifestyle steps practitioners can use to help patients improve outcomes over time.

In this episode, we cover:

  • The difference between lifespan and healthspan
  • How chronic inflammation drives most major diseases
  • The role of LPS, leaky gut, and immune activation
  • Why wheat often acts as “gasoline on the fire”
  • Testing strategies for toxins, gut health, food sensitivity, and oxidative stress
  • Simple clinical and lifestyle changes patients can actually follow
  • Practical habits to reduce inflammatory burden over time

About Dr. Tom O’Bryan:

Dr. Tom O’Bryan is a leading voice in functional medicine focused on chronic disease, autoimmune conditions, gluten-related disorders, and environmental triggers of illness. His work emphasizes identifying the root causes of inflammation and supporting long-term health through targeted interventions.

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Key Moments:

  • Key Moments:
  • 0:00 – Intro
  • 17:00 – Healthspan vs. Lifespan Definition
  • 26:00 – Inflammation as the Root of Chronic Disease
  • 1:08:18 – Beta amyloid as a protective immune response to LPS

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