Breast Cancer Risk in Postmenopausal Women Related to Blood Hormone Levels

A study led by Xuehong Zhang, M.D., of the Channing Division of Network Medicine, Brigham and Women's Hospital Department of Medicine, reveals that blood hormone levels can predict breast cancer risk in postmenopausal women for up to 20 years. The findings were presented at the 11th Annual International Conference on Frontiers in Cancer Prevention Research, sponsored by the American Association for Cancer Research.