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Purpose of Review <p>This review examines the relationship between ultra-processed foods (UPFs) and cancer risk, covering UPF classification systems, epidemiological evidence, food additive regulatory frameworks, biological mechanisms of carcinogenesis, and dietary strategies to reduce risk.</p> Recent Findings <p>A randomized crossover study linked UPF consumption to higher caloric intake and weight gain, implicating metabolic dysfunction in cancer pathogenesis. A 2023 meta-analysis found a 13% increase in overall cancer risk per 10% increment UPF consumption, supporting landmark NutriNet-Santé cohort findings. Recent analysis identified substantial microplastic contamination in protein-based UPFs.</p> Summary <p>UPFs may augment cancer risk through excess caloric intake, obesity, metabolic dysregulation, insulin resistance, chronic inflammation, and exposure to potentially harmful additives and microplastics. Large cohort studies confirm elevated overall cancer risk, with colorectal cancer showing the strongest site-specific association. UPF consumption may displace minimally processed foods, which demonstrate potentially protective effects. Further research and regulatory action are needed to clarify the cumulative effects of multiple food additives.</p>

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Effect of Ultra Processed Foods on Cancer Risk and Strategies for Risk Mitigation

  • 期刊论文

  • 发表日期：

    2026年7月27日

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  • Jason DuBroff,
  • Benjamin Gow-Lee,
  • Varun Mahadevan,
  • Sonali Palchaudhuri,
  • Robert Martindale

摘要

Purpose of Review

This review examines the relationship between ultra-processed foods (UPFs) and cancer risk, covering UPF classification systems, epidemiological evidence, food additive regulatory frameworks, biological mechanisms of carcinogenesis, and dietary strategies to reduce risk.

Recent Findings

A randomized crossover study linked UPF consumption to higher caloric intake and weight gain, implicating metabolic dysfunction in cancer pathogenesis. A 2023 meta-analysis found a 13% increase in overall cancer risk per 10% increment UPF consumption, supporting landmark NutriNet-Santé cohort findings. Recent analysis identified substantial microplastic contamination in protein-based UPFs.

Summary

UPFs may augment cancer risk through excess caloric intake, obesity, metabolic dysregulation, insulin resistance, chronic inflammation, and exposure to potentially harmful additives and microplastics. Large cohort studies confirm elevated overall cancer risk, with colorectal cancer showing the strongest site-specific association. UPF consumption may displace minimally processed foods, which demonstrate potentially protective effects. Further research and regulatory action are needed to clarify the cumulative effects of multiple food additives.