Published in the Journal of Clinical Oncology, researchers analysed the data from 19 global studies, including the Breast Cancer Now Generations Study.
The study, funded by Breast Cancer Now and conducted as part of the Premenopausal Breast Cancer Collaborative Group, investigated the levels of physical activity and cancer diagnoses of 547,000 women who had not yet gone through the menopause and followed them up for an average of 11.5 years.
During that time, approximately 10,231 of those women were diagnosed with breast cancer before menopause…
