Breast cancer is one of the most prevalent cancers affecting women worldwide, though it can also occur in men. According to the World Health Organization (WHO), breast cancer accounts for approximately 2.3 million new cases annually, making it a leading cause of cancer-related mortality among women. Despite these alarming statistics, advancements in early detection, treatment, and awareness have improved survival rates significantly. This article delves into the causes, risk factors, symptoms, diagnostic methods, treatments, and preventive measures surrounding breast cancer.