Article: Dietary Fiber May Not Protect Against Colon Cancer
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Dietary Fiber May Not Protect Against Colon Cancer
High intake of dietary fiber was not linked to a lower occurrence of colorectal cancer in a recent analysis published in JAMA, which combines data from 13 studies.
Although dietary fiber has been hypothesized to reduce the risk of colorectal cancer, the results of numerous previous studies have been inconsistent.
Ecological correlation studies and many case-control studies have found an inverse association between dietary fiber intake and risk of colorectal cancer.
However, most prospective cohort studies have found no association between dietary fiber intake and risk of colorectal cancer or its precursors (adenomas). Also, randomized clinical trials of dietary fiber supplementation have failed to show reductions in the recurrence of colorectal ...
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