In their Keeping Kids Healthy column, UTMB Drs. Sally Robinson and Keith Bly address the most common childhood cancers. According to the American Cancer Society, more than 10,000 children younger than 15 in the United States are diagnosed with various kinds of cancer each year. Leukemias are the most common type, accounting for about one-third of all childhood cancers. Leukemia is a type of cancer that originates from white blood cells, which normally help fight infection. Brain cancer is the second-most common type of childhood cancer, accounting for about 20 percent of the total. The brain itself is made up of many different parts comprised of various types of cells, so there are many kinds of brain tumors that can form when those cells grow out of control. “Childhood cancers are scary and potentially very dangerous. However, more than 80 percent of children diagnosed with childhood cancers will survive five years past their diagnosis, quite different from even 25 years ago when the survival rate was less than 50 percent.”