Amnesia

""Heads Up": Concussions in High School Sports." 3 Aug. 2004. Web. 28 Sept. 2010. <http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1069089/>.

• sports related head injuries occur frequently. 
• more than 300,000 sports related concussions occur each year in the United States
• many physicians serve as the team doctor for their community high schools
• over the past 7 years, more than 300 articles have been published on this. prior to this from 1982- 1996 only 101 articles had appeared
• high school athletes are more vulnerable to concussions than older athletes and may take longer to recover
• loss of consciousness is not an approprite marker for th eprescence absence for concussion
• high school athletes are 3 times more likely to experience a second concussion if concussed once during a season
• more than 5% of high school athletes are concussed each year while participating in collision
• nearly 1.5 million head injuries occur in the U.S. each year
• more than 20% are sports related
• traditionally, the physician or school relies on the studens' self report on their symptoms. 
• many are reluctant to report symptoms in fear they will be removed from the game