Sport related concussion and its consequences is receiving increased attention. The immediate side effects of concussions are usually the topics of discussion, but research has shown that concussions can lead to the long term side effects of Traumatic Brain Injuries (TBI), such as Chronic Traumatic Encephalopathy (CTE). The purpose of this presentation is to discuss the epidemiology, definition, signs and symptoms, long term side effects, and prevention of concussion, TBI, and CTE.