SPORT CONCUSSIONS

300,000 sports-related concussions in the United States per year; concussions are an unintended consequence of collision sports. Estimates vary regarding the likelihood of an athlete participating in a contact sport experiencing a concussion, but this may be as high as 10% per year in some sports. Furthermore, the effects of concussion are now known to be cumulative, even when the concussions are believed to be minor... Concussions are complex; an athlete's presentation reflects unique combinations of cognitive, physical and subjective symptoms. An initial period of rest from physical activity and avoidance of high-risk activities are typically the most effective treatment strategy with most cases resolving relatively quickly (7 to 14 days)... Sports-related concussions in the United States and Canada are increasing. Concussions are an unintended consequence of collision sports