Diet-wide analyses for risk of colorectal cancer: prospective study of 12,251 incident cases among 542,778 women in the UK

Uncertainty remains regarding the role of diet in colorectal cancer development. We examined associations of 97 dietary factors with colorectal cancer risk in 542,778 Million Women Study participants (12,251 incident cases over 16.6 years), and conducted a targeted genetic analysis in the ColoRectal...

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Main Authors: Papier, K, Bradbury, KE, Balkwill, A, Barnes, I, Smith-Byrne, K, Gunter, MJ, Berndt, SI, Le Marchand, L, Wu, AH, Peters, U, Beral, V, Key, TJ, Reeves, GK
Format: Journal article
Language:English
Published: Nature Research 2025
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author Papier, K
Bradbury, KE
Balkwill, A
Barnes, I
Smith-Byrne, K
Gunter, MJ
Berndt, SI
Le Marchand, L
Wu, AH
Peters, U
Beral, V
Key, TJ
Reeves, GK
author_facet Papier, K
Bradbury, KE
Balkwill, A
Barnes, I
Smith-Byrne, K
Gunter, MJ
Berndt, SI
Le Marchand, L
Wu, AH
Peters, U
Beral, V
Key, TJ
Reeves, GK
author_sort Papier, K
collection OXFORD
description Uncertainty remains regarding the role of diet in colorectal cancer development. We examined associations of 97 dietary factors with colorectal cancer risk in 542,778 Million Women Study participants (12,251 incident cases over 16.6 years), and conducted a targeted genetic analysis in the ColoRectal Transdisciplinary Study, Colon Cancer Family Registry, and Genetics and Epidemiology of Colorectal Cancer Consortium (GECCO). Alcohol (relative risk per 20 g/day=1.15, 95% confidence interval 1.09-1.20) and calcium (per 300 mg/day=0.83, 0.77–0.89) intakes had the strongest associations, followed by six dairy-related factors associated with calcium. We showed a positive association with red and processed meat intake and weaker inverse associations with breakfast cereal, fruit, wholegrains, carbohydrates, fibre, total sugars, folate, and vitamin C. Genetically predicted milk consumption was inversely associated with risk of colorectal, colon, and rectal cancers. We conclude that dairy products help protect against colorectal cancer, and that this is driven largely or wholly by calcium.
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spelling oxford-uuid:f70e5a61-03d2-4d96-b572-f29b9fa5704c2025-01-19T20:03:43ZDiet-wide analyses for risk of colorectal cancer: prospective study of 12,251 incident cases among 542,778 women in the UKJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:f70e5a61-03d2-4d96-b572-f29b9fa5704cEnglishJisc Publications RouterNature Research2025Papier, KBradbury, KEBalkwill, ABarnes, ISmith-Byrne, KGunter, MJBerndt, SILe Marchand, LWu, AHPeters, UBeral, VKey, TJReeves, GKUncertainty remains regarding the role of diet in colorectal cancer development. We examined associations of 97 dietary factors with colorectal cancer risk in 542,778 Million Women Study participants (12,251 incident cases over 16.6 years), and conducted a targeted genetic analysis in the ColoRectal Transdisciplinary Study, Colon Cancer Family Registry, and Genetics and Epidemiology of Colorectal Cancer Consortium (GECCO). Alcohol (relative risk per 20 g/day=1.15, 95% confidence interval 1.09-1.20) and calcium (per 300 mg/day=0.83, 0.77–0.89) intakes had the strongest associations, followed by six dairy-related factors associated with calcium. We showed a positive association with red and processed meat intake and weaker inverse associations with breakfast cereal, fruit, wholegrains, carbohydrates, fibre, total sugars, folate, and vitamin C. Genetically predicted milk consumption was inversely associated with risk of colorectal, colon, and rectal cancers. We conclude that dairy products help protect against colorectal cancer, and that this is driven largely or wholly by calcium.
spellingShingle Papier, K
Bradbury, KE
Balkwill, A
Barnes, I
Smith-Byrne, K
Gunter, MJ
Berndt, SI
Le Marchand, L
Wu, AH
Peters, U
Beral, V
Key, TJ
Reeves, GK
Diet-wide analyses for risk of colorectal cancer: prospective study of 12,251 incident cases among 542,778 women in the UK
title Diet-wide analyses for risk of colorectal cancer: prospective study of 12,251 incident cases among 542,778 women in the UK
title_full Diet-wide analyses for risk of colorectal cancer: prospective study of 12,251 incident cases among 542,778 women in the UK
title_fullStr Diet-wide analyses for risk of colorectal cancer: prospective study of 12,251 incident cases among 542,778 women in the UK
title_full_unstemmed Diet-wide analyses for risk of colorectal cancer: prospective study of 12,251 incident cases among 542,778 women in the UK
title_short Diet-wide analyses for risk of colorectal cancer: prospective study of 12,251 incident cases among 542,778 women in the UK
title_sort diet wide analyses for risk of colorectal cancer prospective study of 12 251 incident cases among 542 778 women in the uk
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