Irritable bowel syndrome increases the risk of colon cancer.

the verdict

REFUTED

the evidence says no

Recorded sources

0 sources for · 1 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that irritable bowel syndrome increases the risk of colon cancer?

No. A Danish nationwide cohort study of 57,851 IBS patients found colorectal cancer risk was decreased 1-10 years after an IBS diagnosis, with an early excess in the first three months attributed to diagnostic confusion rather than a causal link. The remaining retrieved items define IBS or address other IBS risk factors and do not bear on colon cancer risk.

Verdict: REFUTED · 0 sources for, 1 against · Last checked 3 Oct 2026

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 1

Irritable bowel syndrome and risk of colorectal cancer: a Danish nationwide cohort study -

Get citation

Irritable bowel syndrome and risk of colorectal cancer: a Danish nationwide cohort study - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1038/bjc.2011.65

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