Lasting symptoms possible after kids' concussions

Some kids may have memory and attention problems up to a year after a concussion. "Our study pretty convincingly shows that the vast majority of kids do very well after a mild traumatic brain injury," or concussion, said Keith O. Yeates of Nationwide Children's Hospital in Columbus, Ohio. "The not-so-good news is that there is a small group of kids who have symptoms up to a year after their injury."