Dietary fiber and breast cancer risk: a systematic review and meta-analysis of prospective studies

BackgroundEvidence from case–control studies suggest that dietary fiber may be inversely related to breast cancer risk, but it is unclear if this is supported by prospective data. We conducted a systematic review and meta-analysis of the evidence from prospective studies.MethodsPubMed was searched for prospective studies of fiber intake and breast cancer risk until 31st August 2011. Random effects models were used to estimate summary relative...