Does eating fiber affect a womans risk of breast cancer?
The results of the studies of breast cancer risk and eating dietary fiber show that fiber may be associated with a small decrease in breast cancer risk, but it possibly has no association with risk at all. These studies were not in agreement. Four out of five cohort studies indicated no association between the fiber consumption and breast cancer risk. Cohort studies are designed to minimize bias and have the best potential for correct evaluation. In contrast to the cohort studies, 11 out of 14 case-controlled studies showed a link between dietary fiber and a small decrease in the risk of breast cancer. No studies found increased risk. Does the source of fiber matter? Fiber from different sources has different effects on breast cancer risk. Fruits, vegetables and whole grains all contribute fiber to the diet. The studies described above included all three types of fiber. Several studies differentiated the types of fiber. Fiber from fruits and vegetables was clearly associated with decre
