Each 10g increase in dietary and cereal fibre intake reduces an individual’s risk of colorectal cancer by about 10%, but fibre from fruit and vegetables contributes little to the risk reduction, a large meta-analysis in the BMJ concludes.
And those who consumed three servings of whole grains each day (90g) had a 20% lower risk of colorectal cancer compared with those who consumed less, with even higher intakes linked with further risk reductions, the analysis of seven cohort studies involving almost 800,000 people found.
Reviewing another nine studies involving more than 1.5 million participants, the UK researchers found no reduction in CRC among those who consumed greater amounts of vegetable fibre and a borderline-significant reduction among those who consumed more fruit...
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