The disease characterized by the uncontrolled growth of cells is known as cancer. Cancer arises when genetic mutations disrupt the normal regulatory mechanisms of cell division, leading to uncontrolled proliferation and the potential for metastasis. There are various types of cancer, categorized based on the originating tissue, such as carcinomas (epithelial tissue), sarcomas (connective tissue), and leukemias (blood). Early detection and treatment are essential in improving outcomes, emphasizing the importance of research into cancer biology and treatment modalities.