Folate review finds an uncertain link with breast cancer risk
Individual observational studies often linked folate intake with lower risk, but the pooled comparison of average intake was not statistically significant.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Some included studies linked folate intake with lower breast cancer risk, while others found no association. The pooled analysis compared average folate intake between cases and controls and found no statistically significant difference. This abstract-based summary leaves the relationship unresolved and does not establish that increasing folate intake prevents breast cancer.
The abstract does not provide the pooled estimate, confidence interval, intake ranges or follow-up periods. The included observational designs cannot establish whether folate itself caused differences in cancer risk.
What researchers found
Difference in mean folate intake
Breast cancer case groups versus control groups; observation periods and numerical estimates are not reported in the abstract.
Why the findings differ
The review considered both dietary intake and supplementation. Most individual studies reported an association with lower risk, but a study described a U-shaped pattern, complicating any simple interpretation that higher intake consistently corresponds to lower risk.
What the pooled result means
A nonsignificant pooled comparison leaves uncertainty about whether an association exists. It does not prove that intake is identical between groups or that folate has no relationship with breast cancer risk.
The original publication
Folate Intake and Breast Cancer Risk: A Systematic Review and Meta-Analysis.
Eleotério MR, Ferreira LS, Azevedo FM et al.
Mol Nutr Food Res · 2026
- PubMed ID
- 41437765
- Record checked
AI-assisted research and writing. This explains one selected publication; it is not a complete review of everything known. Our approach.
One more question, understood.
Keep track of the research you’ve explored.