Meal timing and colorectal cancer: suggestive links, unanswered questions
A review examined eating schedules alongside colorectal cancer risk and mortality, but the abstract gives no effect sizes or practical timing thresholds.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The review links more frequent eating, especially involving unhealthy foods, along with breakfast skipping and increased snacking, to potentially higher colorectal cancer risk. A shorter gap between the last meal and bedtime was also associated with colorectal cancer risk and deaths related to colorectal cancer. These associations do not establish that changing eating schedules prevents cancer or reduces deaths.
This abstract-based account has no participant details, follow-up durations, numerical effect estimates, or study-level descriptions. It cannot show the magnitude of associations or how consistently they appeared across studies.
Patterns examined
The authors considered how often people ate and when eating occurred, including the gap before bedtime. Some reported associations involved unhealthy foods, making food choices relevant to interpreting the timing patterns.
What remains unresolved
The abstract proposes possible biological explanations but does not demonstrate them. It also calls for clearer definitions and more detailed eating-pattern measurements, indicating that the reported patterns are not yet a precise timing rule.
The original publication
Temporal Eating Patterns and Colorectal Cancer: A Systematic Review.
Abebe Z, Wassie MM, Reynolds AC et al.
Curr Nutr Rep · 2025
- PubMed ID
- 41118038
- Record checked
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