The body normally forms new cells only when they are needed to replace old or damaged ones. If something happens to disturb this controlled process, abnormal or excessive cells are produced. When this occurs a tumor is developed. This is known as cancer. When a tumor is developed on the brain, it is called a brain tumor or brain cancer. Brain tumors can be benign or malignant (benign being not cancerous and malignant being cancerous). …showed first 75 words of 633 total…

…showed last 75 words of 633 total…tumors are the second fastest growing cause of cancer death among those over age 65. ✓ Approximately 44 percent of all primary brain tumors are benign. ✓ Unlike most benign tumors when located on the brain they can cause death. ✓ Because of their location brain, tumors are difficult to treat. ✓ Brain cancer research is underfunded. ✓ The cause of brain cancer is still unknown. ✓ The cure rate for brain cancer is lower than that of most other types of cancer.