SNP40: Do Seed Oils Cause Inflammation & Chronic Disease?

Seed oils have recently become a hotly debated topic in nutrition, fueled by sensational claims on social media. In this episode, the central theme is examining whether seed oils are truly harmful or if they've been unjustly demonized. The discussion tackles prevalent claims – that seed oils drive inflammation, oxidation, and chronic disease – and compares them against the current scientific evidence. This is highly relevant to nutrition science and clinical practice today, as many patients and practitioners are encountering conflicting information about vegetable oils. By exploring the origins of seed oils, their biochemical effects, health outcome data, and the misinformation ecosystem, the episode aims to clarify how omega-6 rich seed oils fit into a healthy diet and what evidence-based guidelines say. Timestamps 01:00 Understanding terms: PUFA, Linoleic Acid, Omega-6 05:20 Do seed oils cause inflammation? 12:44 Omega-3 and omega-6 16:43 Inflammatory markers and linoleic acid 19:22 Oxidation and cooking oils 26:25 Refining processes and health concerns 30:32 Health outcomes and polyunsaturated fats 35:18 Evidence cited by anti-seed oil proponents 43:48 Conclusions Related Resources Join the Sigma email newsletter for free Subscribe to Sigma Nutrition Premium Enroll in the next cohort of our Applied Nutrition Literacy course Sigma Statement: Seed Oils on Trial: Is the Panic Justified? Related podcast episodes: 502: Sydney Diet-Heart Study – Is Linoleic Acid Causing Heart Disease? 504: Vegetable Oil vs. Saturated Fat – Analysis of the LA Veterans Study 505: Oslo Diet-Heart Study: Cholesterol-lowering Diets & Cardiovascular Events 329: Diet & Inflammation