Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

et al

Olsen A. et al.

2003

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Summary

This cohort study by Olsen and colleagues, published in the American Journal of Clinical Nutrition in 2003, investigates the relationship between folate intake and colon cancer risk. Drawing on dietary assessment data from a prospective cohort, the paper likely reports on whether higher folate consumption is associated with a reduced risk of developing colon cancer, a hypothesis supported by folate's role in DNA methylation and repair. The findings would contribute to the broader epidemiological evidence base linking micronutrient adequacy to colorectal cancer prevention.

UK applicability

Although this study was likely conducted within a Danish cohort (consistent with Olsen and colleagues' affiliations with Danish cancer epidemiology groups), the findings have relevance to UK dietary policy, particularly in the context of ongoing debates around folic acid fortification of flour and the role of diet in colorectal cancer prevention.

Key measures

Dietary folate intake (µg/day); colon cancer incidence; relative risk or hazard ratios; possibly adjusted for confounders such as alcohol intake, fibre, and energy

Outcomes reported

The study examined the association between dietary folate intake and the incidence of colon cancer, likely reporting relative risk or hazard ratios across quantiles of folate consumption. It may also have assessed whether folate from food sources versus supplements differentially affected cancer risk.

Theme
Nutrition & health
Subject
Micronutrients & cancer risk
Study type
Research
Study design
Observational cohort
Source type
Peer-reviewed study
Status
Published
Geography
Denmark
System type
Human clinical
Catalogue ID
XL0115

Topic tags

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