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Whey Protein Helps Prevent Breast Cancer
Posted by: Carl
Dr. Reza Hakkak, Arkansas Children's Nutrition Center, found that whey and soy protein may help prevent breast cancer. This research, funded by the U.S. Department of Agriculture, is featured in the journal Cancer, Epidemiology, Biomarkers and Prevention (Jan., 2000). Dr, Hakkak looked at chemically induced mammary tumors in rats fed a diet containing casein, a major milk protein; whey, a minor milk protein; or soy, a plant-derived protein found in tofu, tempeh, soybeans and several other foods. As expected, all rats fed a diet containing casein as the only source of protein developed mammary tumors. However, only 77 percent of rats in the soy group developed one or more tumors and about 54 percent of rats in the whey group developed at least one tumor. Overall, the study found that soy protein decreased the incidence of mammary tumors by about 20 percent and that whey protein was about twice as effective as soy in this regard.
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