Some of the nearly 40 000 deaths each year in the US from breast cancer might be avoided through use of medications to prevent breast cancer in high-risk women. Patricia Ganz, MD, Distinguished Professor of Medicine and Public Health at UCLA, reviews the evidence underlying chemoprevention of breast cancer and which women might benefit from the drugs. Related Article(s): Medications for Primary Prevention of Breast Cancer Breast Cancer Risk Calculators: https://bcrisktool.cancer.gov/calculator.html https://tools.bcsc-scc.org/BC5yearRisk/intro.htm https://ibis.ikonopedia.com/