951 - The Science of Seed Oils: Are They Really Harmful?

Seed oils have been a controversial topic as of late.  But, are they all harmful? In this episode, I'll present extensive research on seed oils, how they're affecting your body, and suggest the best ways to consume them.  

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Timestamps

00:00 Intro 

01:24 Linoleic acid

01:51 Do they cause inflammation?

09:07 Increased risk of heart disease?

15:06 Key heart disease studies

17:17 Omega-3 & omega-6

19:08 Processing, chemical solvents & hexane

21:24 Is refinement/hexane harmful? 

25:10 Best heating uses

29:23 Hydrogenated/trans fats

32:03 Key takeaways 

Featured Studies 

📉Omega-6 vegetable oils & heart disease

https://pubmed.ncbi.nlm.nih.gov/30364556/

📉Increasing linoleic acid & tissue arachidonic acid content

https://pubmed.ncbi.nlm.nih.gov/21663641/

📉Long-chain conversion of [13C]linoleic acid & alpha-linolenic acid

https://pubmed.ncbi.nlm.nih.gov/15576848/

📉Omega-6 fatty acids &  risk for cardiovascular disease

https://pubmed.ncbi.nlm.nih.gov/19171857/

📉Linoleic acid intake &  blood inflammatory markers https://pubmed.ncbi.nlm.nih.gov/28752873/

📉A diet containing grapeseed oil-based fats does not increase lipid peroxidation in humans https://pubmed.ncbi.nlm.nih.gov/11641740/

📉Linoleic acid & heart disease https://pubmed.ncbi.nlm.nih.gov/25161045/

📉Linoleic Acid & Type 2 Diabetes https://pubmed.ncbi.nlm.nih.gov/34417277/

📉Linoleic acid & mortality

https://pubmed.ncbi.nlm.nih.gov/32020162/

📉Foods &  LDL cholesterol

https://pubmed.ncbi.nlm.nih.gov/33762150/

📉Oils & solid fats on  blood lipids https://pubmed.ncbi.nlm.nih.gov/30006369/

📉Canola oil & cardiovascular risk factors

https://pubmed.ncbi.nlm.nih.gov/33127255/

📉Fats & cardiometabolic risk during weight gain

https://pubmed.ncbi.nlm.nih.gov/25319187/

📉Saturated Fat Promotes Fatty Liver& Ceramides

https://pubmed.ncbi.nlm.nih.gov/31369090/

📉Replacing saturated fat with n-6 polyunsaturated fat

https://pubmed.ncbi.nlm.nih.gov/28526025/

📉Reduction in saturated fat for cardiovascular disease

https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD011737.pub3/full

📉The Omega-6:Omega-3 ratio

https://pubmed.ncbi.nlm.nih.gov/29599053/

📉Cognitive Impairment & Low Omega-3 Index

https://pubmed.ncbi.nlm.nih.gov/27701160/

📉Blood Omega-3 Index & Cognition

https://pubmed.ncbi.nlm.nih.gov/26729157/

📉Omega-3 Index & risk for coronary heart disease mortality

https://pubmed.ncbi.nlm.nih.gov/28511049/

📉Omega-3 index &  type 2 diabetes

https://pubmed.ncbi.nlm.nih.gov/34740031/

📉Hexane Content in Vegetable Oils

https://openaccesspub.org/experimental-and-clinical-toxicology/article/622

📉Pressed & extracted vegetable oils

https://pubmed.ncbi.nlm.nih.gov/37576238/

📉 Cooking oils in nonalcoholic fatty liver disease

https://pubmed.ncbi.nlm.nih.gov/24625239/

📉Grapeseed/canola-oil supplementation reduces serum lipids & liver enzymes in adipose tissuehttps://pubmed.ncbi.nlm.nih.gov/25403327/

📉Whey - From waste to a valuable resource

https://www.sciencedirect.com/science/article/pii/S266615432400317X

📉Sustainable Protein Powders

https://www.foodunfolded.com/article/sustainable-protein-powders-whey-vs-plant-based

📉Protein & resistance training-induced gains https://pubmed.ncbi.nlm.nih.gov/28698222/

📉Whey Protein & Resistance Exercise Training https://pubmed.ncbi.nlm.nih.gov/37571361/

📉Ultra-processed food consumption & cardiovascular mortality

https://pubmed.ncbi.nlm.nih.gov/33536027/

📉Trans Fat https://www.fda.gov/food/food-additives-petitions/trans-fat

📉Fat hydrogenation https://en.wikipedia.org/wiki/Fat_hydrogenation

📉Heating & Trans Fatty Acid Content of Edible Oils

https://pubmed.ncbi.nlm.nih.gov/35406103/

📉Heating & Fatty Acid Composition of Plant-Based Cooking Oils

https://pubmed.ncbi.nlm.nih.gov/35053923/#:~:text=The%20present%20data%20indicate%20that,the%20number%20of%20heating%20sequences.

📉How Long to Fry Every Food https://www.tasteofhome.com/article/deep-frying-temperature-chart/#:~:text=What%20is%20the%20normal%20temperature,right%20type%20of%20cooking%20fat.

📉Lean red meat & human evolution https://pubmed.ncbi.nlm.nih.gov/10918988/

📉Fatty acid &  wild ruminant tissues https://pubmed.ncbi.nlm.nih.gov/11960292/ 

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DISCLAIMER: The information on this site is not intended or implied to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider before starting any new treatment or discontinuing an existing treatment.

Music featured in this video "Modern Technology" by Andrew G https://audiojungle.net/user/andrew_g 

Full transcript available on YouTube by clicking the "Show transcript" button on the bottom right of the video.