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Tallying wheat bran's gutsy benefits.(metanalysis indicates wheat bran reduces colon cancer risk in animal studies)(Brief Article)

Though many studies have indicated that diets high in wheat bran can reduce an individual's risk of developing colon cancer, the data have appeared somewhat equivocal, acknowledges David M. Klurfeld of Wayne State University in Detroit. Contributing to the problem, he notes, is the difficulty of documenting human diets. "People don't remember what they ate last Tuesday, much less 6 years ago."

However, he says, a few have failed to detect a wheat bran benefit even among animal studies, where diets can be "impeccably well controlled." To probe the significance of such contrary findings, Klurfeld conducted a metanalysis on some 30 well-designed studies that together ...

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