Does eating fat make your heart worse?

Original Title

Evidence from prospective cohort studies does not support current dietary fat guidelines: a systematic review and meta-analysis

Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms

Summary

Scientists looked at lots of people who ate different amounts of fat and saw if they died from heart problems.

Sign up to see full results

Get access to research results, context, and detailed analysis.

Surprising Findings

Saturated fat intake showed a risk ratio of 1.08 — meaning more saturated fat was linked to a tiny, non-significant increase in heart death risk — but not enough to be statistically meaningful.

This directly contradicts decades of public health messaging that saturated fat is a primary driver of heart disease.

Practical Takeaways

Don’t panic if you enjoy butter, cheese, or red meat — this study suggests they aren’t linked to higher heart death risk in men.

low confidence

Unlock Full Study Analysis

Sign up free to access quality scores, evidence strength analysis, and detailed methodology breakdowns.