Concussions are serious injuries that can alter the way your brain works, causing symptoms that range from painful headaches to difficulties with balance, vision, memory and reasoning. To learn more about what causes concussions, and how they can be treated, Tom chats with Doctor Matthew Daggy, a specialist in primary care sports medicine at the TriHealth Orthopedic and Sports Institute; Kellen Reed, a student athlete from Ross High School who recently recovered from a concussion; and his father Paul.