This Breast Cancer Prevention Partners report was co-authored by Janet Nudelman, M.A. and Connie Engel, Ph.D. with research and writing support from Sharima Rasanayagam, Ph.D., Nancy Buermeyer, M.S. and Lisette Van Vliet, Ph.D. Project management, editing, and artistic vision was provided by Denise Halloran, Erika Wilhelm, and Emily Reuman. Tireless attention to the science and details of this report was provided by Angela Ng. Thank you to our fabulous science interns: Neeti Mehta, Shelby Thomas, Emma Hall, Christina Padilla, Meesha Heydon, Amanda Jean Faubel and Dana Moskowitz. Sara Schmidt, MPH, MSW and Maija Witte, MPH worked with partners around the country, including U.S. PIRG, to coordinate the purchasing of products reviewed in this report.