Understanding Cancer. What Is Really Cancer.

T itle:Understanding Cancer. Chapter 1: Introduction Among the serious and complicated health conditions in the world today is cancer. Not a single disease, but a collection of diseases which have in common uncontrolled increase and proliferation of abnormal cells. In a normal condition, the cells of the body grow, divide and even die in a regulated way. This balance is important in keeping the tissues healthy and replacing damaged or old cells. This is lost in the case of cancer though. Cells start to multiply out of control, failing to die when they are supposed to and they usually become masses called tumors. Cancerous cells also possess lethal features of spreading to adjacent tissues and to other parts of the body either via blood or lymphatic channels. This is known as metastasis, which makes cancer particularly fatal to many other chronic ailments. Although not every cancer develops solid tumors, such as blood cancers such as leukemia, hardly any types of cancer do not affect the normal operations of the body, and without treatment, can be deadly. Cancer is serious not due to its visible and foreseeable characteristics. In the majority of cases when a cancer develops it does not result