2006 Annual Report 4d.Progress report. This report serves to document research conducted under a Reimbursable Cooperative Assistance Agreement between Tufts University and the National Cancer Institute, Department of Health and Human Services. The project has been delayed, as there has been issues with quality control. The principal investigator at the National Cancer Institute expects to send samples to the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University (HNRCA) for analysis during the fall of 2006. Additional details of this research can be found in the report for the parent CRIS 1950-510000-064-00D Nutrition and Cancer Prevention.