Traumatic Brain Injuries, known as concussions, can cause damage that isn't identified until its too late. Severe brain injuries can turn up in a CT scan, but medium and mild concussions may result in devastating damage that isn't apparent in a CT scan. In our Technology Spotlight interview during the 5:30 Live newscast, researchers at a company based in North Central Florida think they have found a way to quickly identify damage with a special blood test.