Temporal Eating Patterns and Colorectal Cancer: A Systematic Review
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Date
2025
Authors
Abebe, Z.
Wassie, M.M.
Reynolds, A.C.
Melaku, Y.A.
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Current Nutrition Reports, 2025; 14(1):114-1-114-18
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Zegeye Abebe, Molla Mesele Wassie, Amy C. Reynolds, Yohannes Adama Melaku
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Abstract
Purpose of the Review In addition to diet quality, which influences the risk of colorectal cancer (CRC), temporal eating patterns, such as meal frequency, duration, regularity, and timing, may also play an important role. Recent studies have suggest that these eating patterns can influence CRC risk; however, dietary guidelines predominantly emphasise modifying the intake of specific food items to reduce risk and promote overall health. Additionally, comprehensive studies examining the relationship between temporal eating patterns and CRC risk are lacking. This review aimed to synthesise the available evidence on how temporal eating patterns may affect CRC risk and mortality. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, a systematic literature review was conducted using databases such as Medline, Scopus, Web of Science, CINAHL, and ProQuest, ultimately including 20 relevant articles. Recent Findings Higher eating frequency, particularly when involving unhealthy foods, along with skipping breakfast and increased snacking may elevate CRC risk. Furthermore, a short interval between the last meal and bedtime has been associated with an increased risk of CRC and related mortality. Summary The findings suggest that a short interval between the last meal and bedtime may increase CRC risk, potentially through mechanisms such as circadian rhythm disruption, oxidative stress, and inflammation. In addtion, higher meal frequency, particularly when coupled with an unhealthy diet, appears to further elevate the risk. Future research should employ standardised definitions and detailed assessment of 24-hour eating patterns to better elucidate their relationship with CRC outcomes.
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© The Author(s) 2025. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.