Swap Butter for Fish Oil to Lower Bad Cholesterol

Original Title

Abstract 18256: Importance of Controlling Dietary Intake of Saturated Fat for Prevention of Coronary Heart Disease: Lessons From the Metabolic Ward Studies

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Summary

Eating too much butter raises bad cholesterol, but swapping it for fish or nuts lowers it more than just cutting out margarine.

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Surprising Findings

Dietary cholesterol (from eggs, liver) raises LDL-C — even in controlled settings.

For years, eggs were declared ‘heart-healthy’ because dietary cholesterol doesn’t affect blood cholesterol much — but this meta-analysis shows it does, in controlled trials.

Practical Takeaways

Swap one daily source of saturated fat (butter, cheese, fatty meat) for a source of PUFA — like a handful of walnuts, 2 tbsp of flaxseed, or grilled salmon.

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