Strong Support
correlational
People who regularly eat more butter over many years have a higher chance of dying earlier, especially from cancer, while those who eat more olive, soybean, or canola oil have a lower chance of dying early, particularly from cancer or heart disease.
74
0
Evidence from Studies
Supporting (1)
74
Community contributions welcome
74
Butter and Plant-Based Oils Intake and Mortality.
Cohort Study
Human
2025 May 1Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.