A review of 40 studies on gastrointestinal cancers found a 21 to 43 percent lower cancer risk with high intake of whole
grains compared to low intakes.21 Although studies examining the risk of hormone - dependent cancers are limited, the
same review found that subjects in the highest
category of whole
grain intake had a 10 to 45 percent lower risk of endometrial cancer and a 37 to 40 percent lower risk for ovarian cancer.21