UC Irvine, a water polo powerhouse that has produced several Olympians, is leading the nation’s first such study to assess concussion risk in water polo. University of California Irvine experts are in the trenches of traumatic brain injury, advancing ways to diagnose, treat and prevent sports concussions for athletes of all ages. * The diagnosis that rocked football * UC tackles concussions * Six things parents and athletes need to know about concussions Yet when he searched for concussion data on water polo, he realized there was virtually nothing out there.