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PLANTSTRONG Podcast

PLANTSTRONG Podcast

Ep. 353: Why Fiber Sometimes Backfires (and How to Fix It) with Dr. Chris Miller

May 14, 2026 · 59m

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About this episode

Rip sits down with lifestyle medicine physician Dr. Chris Miller to explore why some people struggle when transitioning to a high-fiber, plant-based diet—and how to fix it. While fiber is one of the most powerful tools for preventing and reversing chronic disease, not everyone experiences immediate benefits. In fact, some people initially feel worse. Dr. Miller breaks down the science behind this paradox, including insights from a groundbreaking Stanford study showing that up to one-third of people may experience increased inflammation when rapidly increasing fiber intake. Together, Rip and Dr. Miller explore how gut health, microbial diversity, stress, and lifestyle all play a role in how…