Cancer is a scary word; when people hear it they think of suffering and death. In reality, the term cancer refers to a wide range of diseases characterized by an interruption in normal cell growth. Some cancers are very treatable when found early, while others are deadly. Chances are that Mental Health Technicians will care for many cancer patients over the course of their careers. Having a better understanding of the causes of and treatment for cancer helps Mental Health Technicians give better care to their patients, clients, and residents who will suffer from cancer.