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Ultra-Processed Food Consumption and Colorectal Cancer Risk: A Systematic Review and Two-Stage Mediation Meta-analysis

2025-04-23 gastroenterology Title + abstract only
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ObjectiveTo evaluate the association between ultra-processed food (UPF) consumption and colorectal cancer (CRC) risk and to assess whether inflammatory bowel disease (IBD) mediates this relationship using a two-stage mediation meta-analysis. DesignWe conducted a systematic review and meta-analysis of cohort studies on (i) UPF intake and CRC, (ii) UPF intake and IBD, and (iii) IBD and CRC. Two reviewers independently screened records, extracted hazard ratios (HRs) or relative risks, and assessed...

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