The Happy Hustle Podcast

The Hateful Eight Seed Oils Secretly Wrecking Your Health with New York Bestselling Author, Dr. Cate Shanahan

September 8, 2026·1h 6m
Episode Description from the Publisher

Have you ever felt amazing on paper, eating clean, hitting your macros, doing everything right, and still felt like something was off? That was the question that sent me down a rabbit hole with this week's guest, and honestly, it changed the way I look at my own kitchen.In this episode of The Happy Hustle Podcast, I sit down with Dr. Cate Shanahan, a Cornell trained physician scientist whose work has sparked entire movements around bone broth, live culture ferments, and seed oil free living. She's the woman behind the LA Lakers nutrition program, a program so effective it's been copied by championship teams around the world. She's also a New York Times bestselling author and the founder of Rebel Well, where she helps everyday people make real food simple, affordable, and sustainable again. Dr. Cate has spent over two decades chasing root causes instead of quick fixes, and that obsession is exactly why this conversation hits so different.What makes this episode matter is that Dr. Cate doesn't just tell you seed oils are bad. She shows you the chemistry, the history, and the data behind why they're doing so much damage, and she does it in a way that's easy to actually understand and use. We talk about ancient tribes who lost inches of height in two generations after losing their traditional diet, the four pillars of a truly nourishing human diet, and the eight specific oils she calls the Hateful Eight that are quietly driving inflammation and disease in almost every home in America. If you've ever wondered why cutting out processed food makes such a massive difference, this episode gives you the actual science behind it.The four pillars of a real human diet matter more than any fad. Dr. Cate breaks down the four things she found common across every traditional diet she studied around the world. Fresh food, fermented and sprouted food, meat on the bone for the connective tissue, and organ meats for their dense, irreplaceable nutrients. Most modern diets are missing at least two or three of these, and she explains exactly why that gap matters for your energy, your joints, and your long term health.Your gut microbiome starts building itself from the moment you're born. From the birth canal to breast milk to literal dirt, Dr. Cate walks through how our bodies were designed to collect beneficial bacteria from nature itself, and how modern life has cut off most of those pathways. It's a wild reminder of just how intelligent and intricate our biology really is.The Hateful Eight seed oils are doing more damage than most people realize. Corn, canola, cottonseed, soy, sunflower, safflower, rice bran, and grapeseed oil are processed under extreme heat and pressure, which causes them to oxidize and form toxins similar to what you'd find in cigarette smoke. Dr. Cate shares research showing that a single ounce of potato chips can exceed the safe toxicological threshold for one of these compounds by over four thousand percent.Nutrition science has been quietly shaped by industry money. Dr. Cate doesn't hold back on this one. She explains how a small group of researchers with deep financial ties to processed food companies have influenced decades of dietary guidance, leaving doctors and dietitians working off outdated and, in some cases, intentionally misleading information.Small daily choices compound faster than you'd expect. From what you eat for breakfast to what oil your restaurant fries are cooked in, Dr. Cate makes the case that these aren't small details. They're the difference between chronic inflammation and real, lasting vitality.We also dive into how corporate greed and lobbying have shaped what gets taught in medical schools, why Dr. Cate believes processed food is actually a pretty simple category once you know what to look for, and how something as basic as swapping your breakfast can change the entire trajectory of your day.This conversation is a reminder that so much of what we've been taught about health has been shaped by people with a financial stake in keeping us confused. Dr. Cate isn't selling fear, she's handing you clarity, and clarity is powerful. Once you know what to avoid, the path forward gets a whole lot simpler.If you're ready to take back control of your health, start by learning the Hateful Eight and paying attention to what's actually in your food. Dr. Cate makes it easy to get started with her free Hateful Eight Challenge at drcate.com, where you can go eight days without these oils and feel the difference for yourself.Go listen to the full episode at https://happyhustle.com/podcast. Trust me, you're going to want to hear this one from start to finish.Connect with Dr. Cate!https://www.facebook.com/DoctorCate/<a href="https://www.instagram.com/drcateshan

Podzilla Summary coming soon

Sign up to get notified when the full AI-powered summary is ready.

Get Free Summaries →

Free forever for up to 3 podcasts. No credit card required.

Listen to This Episode

Get summaries like this every morning.

Free AI-powered recaps of The Happy Hustle Podcast and your other favorite podcasts, delivered to your inbox.

Get Free Summaries →

Free forever for up to 3 podcasts. No credit card required.