About The Study: In this study, higher ultraprocessed food intake was associated with increased risk of early-onset colorectal conventional adenomas. These data highlight the important role of ultraprocessed foods in early-onset colorectal tumorigenesis and support improving dietary quality as a strategy to mitigate the increasing burden of early-onset colorectal cancer.
Corresponding Author: To contact the corresponding author, Andrew T. Chan, MD, MPH, email achan@mgh.harvard.edu .
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(doi:10.1001/jamaoncol.2025.4777)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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JAMA Oncology