Mixed
Higher total dietary fiber intake (specifically from cereals) is inversely associated with colorectal cancer risk, with a 13% risk reduction per 10 g/day increase in total fiber.
To potentially lower your risk of colorectal cancer, aim to increase your daily dietary fiber intake by 10 grams. This can be achieved by adding whole grains, fruits, and vegetables to your diet. The study suggests that cereal fiber, in particular, is strongly associated with reduced risk for both colon and rectal cancers.
In calibrated models, a 13% lower (95% CI: 0.79–0.96) colorectal cancer risk per 10 g/day increase in total fibre intake was yielded.
Why this rating
Large prospective cohort (EPIC, n=477,312) with long follow-up (11 years) and rigorous adjustment for confounders.
Source
Dietary Fibre Intake and Risks of Cancers of the Colon and Rectum in the European Prospective Investigation into Cancer and Nutrition (EPIC)
Neil Murphy et al. · PLoS ONE · 2012
DOI 10.1371/journal.pone.0039361
Related findings · Mixed
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