The Claim

Higher dietary fiber intake is associated with a reduced risk of colorectal cancer tumors arising via the traditional adenoma-carcinoma pathway, specifically those that are microsatellite stable/MSI-low, CIMP-negative, BRAF-wildtype, and KRAS-wildtype, with a trend toward lower risk (P-trend = 0.03) and an odds ratio of 0.94 per quartile increase in intake.

Source: Intake of dietary fruit, vegetables, and fiber and risk of colorectal cancer according to molecular subtypes: A pooled analysis of 9 studies

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
55score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Correlation
1 study reviewed
In plain English

People who consume more dietary fiber have a slightly lower likelihood of developing a specific subtype of colorectal cancer that follows a well-defined progression from benign polyps to malignant tumors, according to observational data.

See the scientific wording

Higher fiber intake is associated with a reduced risk of colorectal cancer tumors following the traditional adenoma-carcinoma pathway, specifically those that are microsatellite stable/MSI-low, CIMP-negative, BRAF-wildtype, and KRAS-wildtype, with a trend toward lower risk (P-trend = 0.03) and an odds ratio of 0.94 per quartile increase in intake.

What the research says

1 study
  1. Study: Intake of dietary fruit, vegetables, and fiber and risk of colorectal cancer according to molecular subtypes: A pooled analysis of 9 studies

    Eating more fiber is linked to a lower chance of getting a common type of colon cancer that grows slowly and doesn't have certain genetic mutations. This helps explain why some studies found fiber helps prevent colon cancer and others didn't.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

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