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Many hits, not one, cause concussion?

PURDUE (US) — A two-year study of high school football players suggests concussions are likely caused by many hits over time and not a single blow.Purdue University researchers have studied football players for two seasons at Jefferson High School in Lafayette, Ind., where 21 players completed the study the first season and 24 the second season, including 16 repeating players....

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Source: Futurity.org - Monday, 6 February


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