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      Your Health: Head blows among young football players

      {}{}{}{} New research suggests just one season of hits to the head in high school football may alter the brain.That's even without players developing a concussion.{}{}{}{} The study involved 45 members of a 2012 varsity team. Players underwent two brain scans -- one before and one after the season -- with a special type of MRI. {}{}{} The study by Wake Forest Baptist Medical Center researchers doesn't show whether the brain changes are temporary or permanent, or how they might affect players' lives.