Dr Bluming is an oncologist, yes that’s right a cancer specialist who believes that women who have had breast cancer or have a family history of it can safely take estrogen therapy. He is a co-author of the book " Estrogen Matters: Why taking hormones in menopause can improve women’s well-being and lengthen their lives WITHOUT raising the risk of breast cancer" an Amazon best seller. His most recent scientific publication is called "Hormone replacement after breast cancer: It is time! " This review article was published in the cancer journal Vol 28, number 3 in the summer of 2022.