Ultra-processed food, obesity, and colon cancer: A systematic review and meta-analysis

doi:10.4251/wjgo.v17.i2.101211

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World Journal of Gastrointestinal Oncology

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1948-5204

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastrointest Oncol. Feb 15, 2025; 17(2): 101211
Published online Feb 15, 2025. doi: 10.4251/wjgo.v17.i2.101211

Ultra-processed food, obesity, and colon cancer: A systematic review and meta-analysis

Justin Tin, Henry Lee, Alfonso Gonzalez Trejo, Kevin Tin

Justin Tin, Kevin Tin, Department of Gastroenterology, Newtown Gastroenterology, Elmhurst, NY 11373, United States

Justin Tin, New York Institute of Technology, Old Westbury, NY 11568, United States

Henry Lee, Carnegie Mellon University, Pittsburgh, PA 15289, United States

Alfonso Gonzalez Trejo, National Autonomous University of Mexico, Mexico 04510, Ciudad de México, Mexico

Author contributions: Tin J and Tin K contributed to conceptualization, writing—reviewing and editing; Tin J, Lee H and Trejo AG contributed to data curation, writing—original draft preparation; Lee H contributed to visualization; Trejo AG and Tin K contributed to methodology; Tin K contributed to data curation, formal analysis, supervision, project administration.

Conflict-of-interest statement: All the authors report no relevant conflicts of interest for this article.

PRISMA 2009 Checklist statement: The authors have read the PRISMA 2009 Checklist, and the manuscript was prepared and revised according to the PRISMA 2009 Checklist.

Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/

Corresponding author: Justin Tin, Researcher, Department of Gastroenterology, Newtown Gastroenterology, 87-10 51st Ave Suite 1R, Elmhurst, NY 11373, United States. justintinzz@gmail.com

Received: September 7, 2024
Revised: November 6, 2024
Accepted: December 9, 2024
Published online: February 15, 2025
Processing time: 132 Days and 19.2 Hours

Core Tip

Core Tip: High consumption of ultra-processed foods is significantly associated with an increased risk of obesity and colon cancer. Our systematic review and meta-analysis, which included 17 peer-reviewed studies, found that individuals with a high intake of ultra-processed foods had a 65% higher likelihood of developing obesity. Reducing the intake of these foods and promoting a diet rich in fruits, vegetables, and whole grains are essential strategies to mitigate obesity and cancer risk. Public health initiatives may further support these efforts.