What Is Cancer and why/how Does It Kill?

Cancer is a group of diseases characterized by uncontrolled growth and the spread of abnormal cells caused by a mutation or defect in the genetic material of a cell. If one cell becomes cancerous then all cells that arise from that abnormal cell will also be cancerous. These abnormal cells destroy the part of the body in which they originate and then sometimes spread to other body parts where they start new growth and cause more destruction.
Chemotherapeutic agents are administered to try to slow or stop halt the growth and spread of cancerous cells. …