Diet Rich in Fiber Linked to Lower Breast Cancer Risk, Pooled Data Show

Diet Rich in Fiber Linked to Lower Breast Cancer Risk, Pooled Data Show
A diet high in total fiber appears to lower the risk of breast cancer for both pre- and postmenopausal women, researchers who pooled data from 20 observational studies reported. This association was found valid for different sources of fiber — foods like cereals, fruits, vegetables, and legumes that make up total fiber. But links between diet and cancer risk were significant only for fibers attained from fruits and other soluble fiber sources. The study, "Fiber consumption and breast cancer incidence: A systematic review and meta‐analysis of prospective studies," was published in the journal CANCER. Several reports suggesting linking fiber intake and breast cancer risk have been published over the years, and the American Cancer Society (ACS) recommends a fiber-rich diet as part of its dietary guidelines for cancer prevention. Diets rich in fiber foods are thought to be beneficial due to their effects on insulin sensitivity and alterations in sex hormone levels, two factors believed to account for the risk of breast cancer. But some reports provide conflicting results, and evidence linking fiber intake and breast cancer risk are "weak and inconsistent," this study noted. Researchers analyzed data from 20 carefully selected observational studies conducted before July 2019, which were the basis of 21 publications. Their analysis described the associa
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