

Big Idea: Why Are Seed Oils So Pervasive and The Case For and Against Them
Jun 23, 2025
Join Jeff Nobbs, cofounder and CEO of Zero Acre Farms, as he dives into the contentious world of seed oils. With over 15 years in health and nutrition, Jeff highlights their historical rise from industrial use to everyday kitchens. He explores the research debates, from observational studies to the case against these oils, and addresses the harmful effects of trans fats. Discover why understanding the history and implications of vegetable oils is crucial for healthier choices in our diets!
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Seed Oils Became Industrial Staples
- Seed oils were initially industrial lubricants due to scarcity of whale blubber and were toxic until detoxified in early 1900s.
- Crisco was created from partially hydrogenated cottonseed oil, becoming a household staple and introducing "vegetable shortening".
Vegetable Oils and Cholesterol
- Lowering cholesterol became the basis to recommend vegetable oils despite lack of direct evidence for heart disease benefits.
- President Eisenhower's experience worsened on a high corn oil diet, highlighting uncertainty in vegetable oil's heart health claims.
Fast Food Shift to Harmful Oils
- In 1990s, animal fats were removed from fast food fryers and replaced by partially hydrogenated vegetable oils (trans fats).
- This switch caused far worse health outcomes, linked to hundreds of thousands of deaths.