RHR: Seed Oils and Colon Cancer – What the New Research Really Shows

RHR: Seed Oils and Colon Cancer – What the New Research Really Shows

Author: Chris Kresser December 16, 2025 Duration: 19:55

Seed oils have become one of the most controversial topics in nutrition, especially after a 2024 University of South Florida study linked high omega-6 levels with inflammation in colon tumors. In this episode of Revolution Health Radio, Chris takes a deep, evidence-based look at what the study actually means — and what it doesn’t. You’ll learn the crucial difference between naturally occurring omega-6 fats in whole foods like nuts, chicken, and avocados and oxidized omega-6 fats found in ultra-processed foods and industrial seed oils. He explains why awareness of the omega-6 to omega-3 ratio and the issues of the modern Western diet are far more important than demonizing individual oils and offers practical advice on which cooking oils to use, which to limit, how to improve omega-3 intake, and how to adopt a balanced approach to dietary fats without fear or obsession.

The post RHR: Seed Oils and Colon Cancer – What the New Research Really Shows appeared first on Chris Kresser.


Tired of health advice that feels one-size-fits-all or contradicts what you heard last week? Revolution Health Radio cuts through the noise with a different approach. Hosted by health detective Chris Kresser, this podcast digs into the often overlooked root causes of modern chronic conditions, moving beyond just treating symptoms. Each episode is a deep, evidence-informed conversation that challenges conventional wisdom on diet, fitness, and wellness. You’ll hear detailed explorations on topics like metabolic health, gut microbiome science, and sustainable fitness practices, all framed around actionable strategies for real life. Kresser translates complex research into practical steps, empowering you to make informed decisions about your own well-being. Rather than offering quick fixes, this podcast builds a foundational understanding of how the body works, aiming for lasting vitality. It’s for anyone who feels let down by mainstream narratives and is curious about the nuanced, sometimes alternative, paths to preventing illness and optimizing health. Tune in for thoughtful dialogues that equip you with the knowledge to take true ownership of your health journey.
Author: Language: en-us Episodes: 43

Revolution Health Radio
Podcast Episodes
RHR: Can You Reverse Your Biological Age? [not-audio_url] [/not-audio_url]

Duration: 23:54
In this episode of Revolution Health Radio, Chris Kresser explores what biological age really means and examines the research behind today's most popular longevity claims. He explains how epigenetic clocks and DNA methyl…
RHR: Your Mouth is Talking To Your Brain—And You Should Be Listening [not-audio_url] [/not-audio_url]

Duration: 25:08
What if one of the most overlooked risk factors for cognitive decline isn’t in the brain—but in the mouth? In this episode of Revolution Health Radio, Chris Kresser explores the emerging science linking oral health to br…
RHR: Revisiting the Gut-Immune Axis [not-audio_url] [/not-audio_url]

Duration: 26:11
The gut-immune axis is one of the most important and most overlooked systems in human health. In this episode of Revolution Health Radio, Chris explains how the gut microbiome, intestinal barrier, and immune system work…
RHR: Shaking Up the Salt Myth [not-audio_url] [/not-audio_url]

Duration: 20:52
For decades, public health guidelines have warned that reducing sodium intake is essential for preventing high blood pressure and cardiovascular disease. But a closer look at the scientific evidence reveals a far more co…