Best Diet Confirmed by 5,248,916 Person-Year Study
Brad Stanfield
Mar 21, 2026
Episode description
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Timestamps:
00:00 Which Best is Best?
01:27 The Seven Countries Study
03:01 Alternative Theory: Sugar as the Culprit
04:34 The Atkins Diet and the Low-Carb Narrative
06:25 The Problem with Low-Fat and Low-Carb Labels
07:04 The New Study: Quality Over Quantity
08:42 Conclusions & Key Takeaways
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Here are the links to the research papers referenced in the video:
https://www.jacc.org/doi/10.1016/j.jacc.2025.12.038
https://pmc.ncbi.nlm.nih.gov/articles/PMC503641/?page=19
https://pubmed.ncbi.nlm.nih.gov/24811552/
https://pmc.ncbi.nlm.nih.gov/articles/PMC9794145/
https://www.cabidigitallibrary.org/doi/full/10.5555/19711403775
https://pubmed.ncbi.nlm.nih.gov/7644455/
https://pubmed.ncbi.nlm.nih.gov/3779925/
https://pmc.ncbi.nlm.nih.gov/articles/PMC11257042/
https://diabetesjournals.org/diabetes/article/37/12/1595/8592/Role-of-Insulin-Resistance-in-Human-Disease
https://pubmed.ncbi.nlm.nih.gov/10837285/
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(04)16986-9/abstract
https://pubmed.ncbi.nlm.nih.gov/16467234/
https://pubmed.ncbi.nlm.nih.gov/12679447/
https://pmc.ncbi.nlm.nih.gov/articles/PMC4814348/
Thumbnail by James Kelly
Video edited by Troy Young
Script by John Milliken
The links above are affiliate links, so I receive a small commission every time you use them to purchase a product. The content contained in this video, and its accompanying description, is not intended to replace viewers’ relationships with their own medical practitioner. Always speak with your doctor regarding the content of this channel, and especially before using any products, services, or devices discussed on this channel.
Mindsip insights from this episode:
Revisit sugar hypothesis to understand heart disease risk
In the 1950s, researcher John Yudkin proposed that sugar, not fat, was the primary dietary culprit behind rising heart disease, a theory that was largely ignored at the time.
Prioritize plant-based foods for a healthy diet
The study defined a healthy diet as one prioritizing plant-based foods and whole grains over animal products and refined grains.
Choose low-carb or low-fat diet to reduce heart disease risk
A healthy low-carb diet reduced heart disease risk by 15%, while a healthy low-fat diet reduced it by a similar 13%, showing both can be effective.
Prioritize food quality over macronutrient quantity for heart health
A massive new study suggests the debate between low-fat and low-carb is a distraction, as food quality is the most critical factor for heart health.
Investigate dietary causes of skyrocketing heart disease deaths
Deaths from heart attacks and strokes were 15 times greater in 1945 than in 1921, which sparked an urgent search for the dietary cause.
Reduce glycemic load to lower heart disease risk
A study of 75,000 women found that diets with the highest glycemic loads from foods like white bread and sugary drinks were associated with double the risk of heart disease.
