SACRAMENTO (AP) - Just 5 days after the procedure, Dallas said his first word "momma". That was quickly followed by learning to wave and even laughing. Three months after the treatment, the little boy who didn't have the muscle control to crawl is now scooting all over without using a walker. He also looking at his parents when they talk to him. Cord blood stem cells are now being used to treat dozens of medical conditions from heart disease to leukemia. But banking cord blood is not cheap. The cost is about $2,000 initially and then $100 every year after that in storage costs.