Thomas Mack, MD, MPH, University of Southern California, Los Angeles
This study aims to identify non-genetic factors that cause only one twin in a pair to get breast cancer. This information could help researchers identify ways to help prevent breast cancer from occurring. The initial Call to Action for this study was on 7/12/2017 and the researchers closed enrollment on 9/2/2020. The Love Research Army provided them with 363 participants who were interested in enrolling in the study.