One of the most prevalent malignancies impacting women globally is breast cancer. Although receiving a breast cancer diagnosis, going through treatment, and recovering can be difficult, medical improvements have allowed many women to survive and even flourish after the disease. One of these innovations is the drug tamoxifen, which has emerged as a key player in the management of hormone receptor-positive breast cancer. Knowing how tamoxifen functions and how it is used in treatment will help you make more informed decisions regarding your health if you or a loved one is dealing with breast cancer.