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This episode summarizes a scholarly exchange in the journal Advances in Nutrition regarding polyunsaturated fats (such as those obtained from "industrial seed oils) and their impact on human health.

We begin with this 2021 paper by Dr. Glen Lawrence: "The Saturated Fat-Unsaturated Oil Dilemma: Relations of Dietary Fatty Acids and Serum Cholesterol, Atherosclerosis, Inflammation, Cancer, and All-Cause Mortality": https://pubmed.ncbi.nlm.nih.gov/33693484/

Next is this letter-the-editor rebutting Lawrence's paper by Dr. Martha Belury, Dr. Emilio Ros and Dr. Penny Kris-Etherton, "Weighing Evidence of the Role of Saturated and Unsaturated Fats and Human Health": https://academic.oup.com/advances/article-abstract/13/2/686/6556254

And this rebuttal letter by Dr. Jeff Moore: "The Dietary Guidelines Are Correct: Saturated Fat Should Be Limited and Replaced with the Proposed Alternatives to Reduce Morbidity and Mortality": https://academic.oup.com/advances/article-abstract/13/2/688/6556255

Finally, Dr. Lawrence's rebuttal to the rebuttals: "Reply to MA Belury et al. and J Moore": https://academic.oup.com/advances/article-abstract/13/2/690/6556307

Here's an earlier (2018) scholarly article on this subject that I found to be very helpful general background: "Dietary fat and cardiometabolic health: evidence, controversies, and consensus for guidance": https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6053258/

00:00 Introduction

04:07 Definitions of key terms and other background

17:58 Why the panic is spreading

29:39 Deep dive on the science