| http://www.w3.org/ns/prov#value | - y in football players and boxers who - later in life, but sometimes not that much later - have developed cognitive and other problems related to brain injuries.About 62,000 concussions are sustained each year in high school contact sports.The Indiana law, passed three years ago, says any athlete suspected of having a concussion must be removed from play immediately and not be allowed to return to
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