Association between ultra-processed foods and risk of cancer: a systematic review and meta-analysis

BackgroundDespite increasing evidence that has shown the association of ultra-processed foods (UPFs) with cancer risk, the results remain inconclusive. We, therefore, conducted the meta-analysis to clarify the association by including recently published studies.MethodsA comprehensive search was cond...

Full description

Bibliographic Details
Main Authors: Ying Lian, Gang-Pu Wang, Guo-Qiang Chen, Hua-Nan Chen, Guang-Yong Zhang
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-06-01
Series:Frontiers in Nutrition
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnut.2023.1175994/full
_version_ 1797809062795018240
author Ying Lian
Ying Lian
Gang-Pu Wang
Guo-Qiang Chen
Guo-Qiang Chen
Hua-Nan Chen
Hua-Nan Chen
Guang-Yong Zhang
author_facet Ying Lian
Ying Lian
Gang-Pu Wang
Guo-Qiang Chen
Guo-Qiang Chen
Hua-Nan Chen
Hua-Nan Chen
Guang-Yong Zhang
author_sort Ying Lian
collection DOAJ
description BackgroundDespite increasing evidence that has shown the association of ultra-processed foods (UPFs) with cancer risk, the results remain inconclusive. We, therefore, conducted the meta-analysis to clarify the association by including recently published studies.MethodsA comprehensive search was conducted in PubMed, Embase, and Web of Science to identify all relevant studies from inception to January 2023. To pool data, fixed-effects or random-effects models were used where appropriate. Subgroup analyses, sensitivity analyses, and publication bias tests were performed.ResultsA total of 13 studies (4 cohort studies and 9 case–control studies) were included in the analysis, with a total of 625,738 participants. The highest UPFs consumption was associated with increased risk of colorectal cancer (OR = 1.23, 95% CI: 1.10–1.38), colon cancer (OR = 1.25, 95% CI: 1.14–1.36), and breast cancer (OR = 1.10, 95% CI: 1.00–1.20) but not rectal cancer (OR = 1.18, 95% CI: 0.97–1.43) and prostate cancer (OR = 1.03, 95% CI: 0.93–1.12). In addition, the subgroup analyses showed that a positive association between UPFs consumption and colorectal cancer was observed among men (OR = 1.31, 95% CI: 1.15–1.50), whereas no significant association was observed among women (OR = 1.10, 95% CI: 0.94–1.29).ConclusionThe present meta-analysis suggests that high UPFs consumption is associated with a significantly increased risk of certain site-specific cancers, especially the digestive tract and some hormone-related cancers. However, further rigorously designed prospective and experimental studies are needed to better understand causal pathways.
first_indexed 2024-03-13T06:46:58Z
format Article
id doaj.art-059b762620bb4ddd9d33e575e8fef357
institution Directory Open Access Journal
issn 2296-861X
language English
last_indexed 2024-03-13T06:46:58Z
publishDate 2023-06-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Nutrition
spelling doaj.art-059b762620bb4ddd9d33e575e8fef3572023-06-08T04:39:39ZengFrontiers Media S.A.Frontiers in Nutrition2296-861X2023-06-011010.3389/fnut.2023.11759941175994Association between ultra-processed foods and risk of cancer: a systematic review and meta-analysisYing Lian0Ying Lian1Gang-Pu Wang2Guo-Qiang Chen3Guo-Qiang Chen4Hua-Nan Chen5Hua-Nan Chen6Guang-Yong Zhang7Department of Health Management and Engineering Laboratory for Health Management, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, ChinaDepartment of Medical Record Management and Statistics, Shandong Provincial Qianfoshan Hospital and The First Affiliated Hospital of Shandong First Medical University, Jinan, ChinaDepartment of General Surgery, The Fourth People's Hospital of Jinan City, Jinan, ChinaDepartment of Health Management and Engineering Laboratory for Health Management, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, ChinaDepartment of Medical Record Management and Statistics, Shandong Provincial Qianfoshan Hospital and The First Affiliated Hospital of Shandong First Medical University, Jinan, ChinaDepartment of Health Management and Engineering Laboratory for Health Management, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, ChinaDepartment of Medical Record Management and Statistics, Shandong Provincial Qianfoshan Hospital and The First Affiliated Hospital of Shandong First Medical University, Jinan, ChinaDepartment of General Surgery, Shandong Provincial Qianfoshan Hospital and The First Affiliated Hospital of Shandong First Medical University, Jinan, ChinaBackgroundDespite increasing evidence that has shown the association of ultra-processed foods (UPFs) with cancer risk, the results remain inconclusive. We, therefore, conducted the meta-analysis to clarify the association by including recently published studies.MethodsA comprehensive search was conducted in PubMed, Embase, and Web of Science to identify all relevant studies from inception to January 2023. To pool data, fixed-effects or random-effects models were used where appropriate. Subgroup analyses, sensitivity analyses, and publication bias tests were performed.ResultsA total of 13 studies (4 cohort studies and 9 case–control studies) were included in the analysis, with a total of 625,738 participants. The highest UPFs consumption was associated with increased risk of colorectal cancer (OR = 1.23, 95% CI: 1.10–1.38), colon cancer (OR = 1.25, 95% CI: 1.14–1.36), and breast cancer (OR = 1.10, 95% CI: 1.00–1.20) but not rectal cancer (OR = 1.18, 95% CI: 0.97–1.43) and prostate cancer (OR = 1.03, 95% CI: 0.93–1.12). In addition, the subgroup analyses showed that a positive association between UPFs consumption and colorectal cancer was observed among men (OR = 1.31, 95% CI: 1.15–1.50), whereas no significant association was observed among women (OR = 1.10, 95% CI: 0.94–1.29).ConclusionThe present meta-analysis suggests that high UPFs consumption is associated with a significantly increased risk of certain site-specific cancers, especially the digestive tract and some hormone-related cancers. However, further rigorously designed prospective and experimental studies are needed to better understand causal pathways.https://www.frontiersin.org/articles/10.3389/fnut.2023.1175994/fullultra-processed foods (UPFs)colorectal cancerbreast cancersystematic reviewmeta-analysis
spellingShingle Ying Lian
Ying Lian
Gang-Pu Wang
Guo-Qiang Chen
Guo-Qiang Chen
Hua-Nan Chen
Hua-Nan Chen
Guang-Yong Zhang
Association between ultra-processed foods and risk of cancer: a systematic review and meta-analysis
Frontiers in Nutrition
ultra-processed foods (UPFs)
colorectal cancer
breast cancer
systematic review
meta-analysis
title Association between ultra-processed foods and risk of cancer: a systematic review and meta-analysis
title_full Association between ultra-processed foods and risk of cancer: a systematic review and meta-analysis
title_fullStr Association between ultra-processed foods and risk of cancer: a systematic review and meta-analysis
title_full_unstemmed Association between ultra-processed foods and risk of cancer: a systematic review and meta-analysis
title_short Association between ultra-processed foods and risk of cancer: a systematic review and meta-analysis
title_sort association between ultra processed foods and risk of cancer a systematic review and meta analysis
topic ultra-processed foods (UPFs)
colorectal cancer
breast cancer
systematic review
meta-analysis
url https://www.frontiersin.org/articles/10.3389/fnut.2023.1175994/full
work_keys_str_mv AT yinglian associationbetweenultraprocessedfoodsandriskofcancerasystematicreviewandmetaanalysis
AT yinglian associationbetweenultraprocessedfoodsandriskofcancerasystematicreviewandmetaanalysis
AT gangpuwang associationbetweenultraprocessedfoodsandriskofcancerasystematicreviewandmetaanalysis
AT guoqiangchen associationbetweenultraprocessedfoodsandriskofcancerasystematicreviewandmetaanalysis
AT guoqiangchen associationbetweenultraprocessedfoodsandriskofcancerasystematicreviewandmetaanalysis
AT huananchen associationbetweenultraprocessedfoodsandriskofcancerasystematicreviewandmetaanalysis
AT huananchen associationbetweenultraprocessedfoodsandriskofcancerasystematicreviewandmetaanalysis
AT guangyongzhang associationbetweenultraprocessedfoodsandriskofcancerasystematicreviewandmetaanalysis