Chemoprevention. Chemoprevention is the utilization of medications to attempt to lower the danger of cancer tumors. Although two chemopreventive drugs (tamoxifen and raloxifene) have already been authorized by the U.S. Food and Drug management (Food And Drug Administration) to lessen the possibility of cancer of the breast in females at increased risk, the role of the medications in females with harmful BRCA1 or BRCA2 mutations isn’t yet clear. (mehr …)