What is cancer? What are the different types of cancer? What are its causes and cure?
Cancer is a complex and devastating group of diseases characterized by the uncontrolled growth and spread of abnormal cells in the body. It can develop in virtually any tissue or organ and has the potential to invade nearby tissues and metastasize to distant parts of the body. Understanding cancer, its types, causes, and treatment options is crucial in the ongoing battle against this formidable disease. **I. What is Cancer?** Cancer is a broad term used to describe a collection of diseases that share common features. These features include: 1. **Uncontrolled Cell Growth:** The fundamental hallmark of cancer is unregulated cell division. Normal cells in the body have mechanisms that control their growth and division. In cancer, these control mechanisms fail, leading to the proliferation of abnormal cells. 2. **Invasion and Metastasis:** Cancer cells have the ability to invade nearby tissues and, in advanced stages, spread to other parts of the body through the bloodstream or lymphatic s...