None of the known causes of brain Cancer disease. Has been conducting extensive research to identify the cause of preventing cancer occurs. Although there is much more conclusive evidence of a cause of brain tumors, all doctors know that brain cancer is not contagious and does not occur due to head trauma. There have been cases where the cancer has spread to the brain from other parts of the body. (Lung cancer, breast cancer, liver cancer, etc..) Brain cancer can occur at any age. Studies have shown that two groups are affected in old age. From 3 to 12 years and between 40 and 70 are the age groups, in which brain cancer. Because the researchers were able to collect these data has led to the discovery of certain risk factors
