The Hidden Heart Study That Might Have Changed History

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Description:
What if lowering cholesterol didn’t save lives—but actually increased the risk of death?
In this video, I break down a forgotten ‘gold-standard’ randomized controlled trial from the late 1960s and early 1970s: the Minnesota Coronary Experiment. This uniquely rigorous study tested whether replacing saturated fat (butter, beef) with vegetable oils rich in linoleic acid would reduce heart disease and mortality.

The results were shocking. Cholesterol dropped—but deaths increased. Even more unsettling, the greater the cholesterol reduction, the higher the risk of death. Cardiovascular outcomes didn’t improve either. The cholesterol reducing diet was even associated with a trend towards increased atherosclerosis on autopsy.

So why were these results buried for decades? Were they inconvenient? Misunderstood? Or simply too complex for a simple narrative?

We’ll walk through the study design, the actual outcomes, and the major criticisms—then evaluate whether those critiques really hold up.

Chapters:
0:00 – The Trial That Vanished for 40 Years
1:37 – Inside the Minnesota Coronary Experiment (Study Design)
4:54 – Cholesterol Fell… Mortality Rose
7:03 – Worse Arteries Despite Lower Cholesterol
8:20 – What Other RCTs Show: The Meta-Analysis
9:25 – Why These Results Never Changed the Guidelines
10:10 – Major Criticisms of the Minnesota Coronary Experiment
11:33 – The “Hidden Trans Fat” Explanation Examined
13:19 – Does the Dropout Rate Undermine the Data?
14:47 – When Cholesterol Lowering Became a Catastrophe
16:11 – The One-Word Takeaway: Humility

#seedoils #saturated fat #cholesterol #cholesterol #nutritionscience #hearthealth #dietaryfat #saturatedfat #seedoils #linoleicacid #cardiovascularhealth #metabolichealth #evidencebasednutrition #medicalhistory #nutritionmyths #staycurious