Breast Cancer: Cereal Fiber May Affect Estrogen Regulation

A UK study suggests that women who eat large amounts of fiber – particularly fiber from cereals and possibly fruit – could cut breast cancer risk in half. The effect was greatest on pre-menopausal women, which Janet Cade and her team at Leeds University say may be because fiber affects the way the body processes and regulates the female hormone estrogen.
International Journal of Epidemiology, April 2007; 36(2):431-8