Ann Von Holle, Hans-Olov Adami, Laura Baglietto, Amy Berrington, Kimberly A Bertrand, William Blot, Yu Chen, Jessica Clague DeHart, Laure Dossus, A Heather Eliassen, Agnes Fournier, Montse Garcia-Closas, Graham Giles, Marcela Guevara, Susan E Hankinson, Alicia Heath, Michael E Jones, Corinne E Joshu, Rudolf Kaaks, Victoria A Kirsh, Cari M Kitahara, Woon-Puay Koh, Martha S Linet, Hannah Lui Park, Giovanna Masala, Lene Mellemkjaer, Roger L Milne, Katie M O'Brien, Julie R Palmer, Elio Riboli, Thomas E Rohan, Martha J Shrubsole, Malin Sund, Rulla Tamimi, Sandar Tin Tin, Kala Visvanathan, Roel Ch Vermeulen, Elisabete Weiderpass, Walter C Willett, Jian-Min Yuan, Anne Zeleniuch-Jacquotte, Hazel B Nichols, Dale P Sandler, Anthony J Swerdlow, Minouk J Schoemaker, Clarice R Weinberg
BACKGROUND: A high body mass index (BMI, kg/m2 ) is associated with decreased risk of breast cancer before menopause, but increased risk after menopause. Exactly when this reversal occurs in relation to menopause is unclear. Locating that change point could provide insight into the role of adiposity in breast cancer etiology. METHODS: We examined the association between BMI and breast cancer risk in the Premenopausal Breast Cancer Collaborative Group, from age 45 up to breast cancer diagnosis, loss to follow-up, death, or age 55, whichever came first...
February 19, 2024: Cancer Epidemiology