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cover of episode 580: Why this MD avoids seed oils at all costs | Cate Shanahan, M.D.

580: Why this MD avoids seed oils at all costs | Cate Shanahan, M.D.

2025/2/16
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Cate Shanahan, M.D.: 我认为“有害的八种”籽油是食品供应中最有问题的物质，包括玉米油、菜籽油、棉籽油、大豆油、葵花籽油、红花籽油、米糠油和葡萄籽油。选择这八种籽油的原因是它们既富含多不饱和脂肪酸，而且原油是无活性且不可食用的。未经提炼的大豆油、菜籽油、棉籽油，甚至葵花籽油，对人类和动物都是不安全的，这是它们独有的毒性。推广这些籽油对心脏有益是不负责任的，因为从大豆或菜籽中榨出的油在未经提炼时是不能食用的。即使不使用己烷，在高热高压下榨出的油也是不能食用的，需要经过广泛的工厂提炼。工厂提炼去除了许多毒素，但也几乎去除了所有的其他营养物质。这些籽油在离开工厂时，实际上是一个化学反应装置，会持续氧化，产生新的毒素。一根用植物油炸的薯条所含的毒素量相当于吸一整根香烟的毒性。饱和脂肪是稳定的，不会分解成毒素，但“有害的八种”籽油含有大量的不饱和脂肪酸，因此不稳定，会降解成自然界没有制造的具有毒性的分子。这些籽油是导致代谢疾病、炎症性疾病、退行性疾病和自身免疫性疾病等所有实验室异常的原因。如果食用“有害的八种”籽油，那么这占问题的80%。

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“Seed oils are the most problematic substances in the food supply,” explains Cate Shanahan, M.D.

Shanahan, M.D., board-certified family physician and influential medical thought leader, joins us to explain everything you need to know about seed oils, including the top eight oils to avoid, impact of oxidative stress, and: 

  • The hateful eight (~2:25)

  • Why to avoid these oils (~3:40)

  • What is crude oil (~6:00)

  • The chemistry of oils (~7:20)

  • The health impact of seed oils (~8:55)

  • The truth about the 80/20 rule (~10:25)

  • The history of seed oils (~12:45)

  • The truth about cholesterol (~14:15)

  • Why seed oils are so divisive (~19:20)

  • The science & research (~25:10)

  • Shanahan’s dream study (~32:00)

  • Sneaky sources of seed oils (~38:10)

  • The best oils to use (~42:10)

  • Oxidative stress & insulin resistance (~44:20)

Referenced in the episode: 

Learn more about Dr. Cate (https://drcate.com/)) 

Follow her on Instagram (@drcateshanahan) 

Pick up her book, Dark Calories)

Go to get.stash.com/mindbodygreen) to see how you can receive $25 towards your first stock purchase and to view important disclosures

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