When it comes to head impacts, it’s not just the hard-hitting blows that you should worry about. A new study finds that even small hits can cause the brain to vibrate dramatically inside the skull.
Head injuries in sports have come into the spotlight in recent years. Brain trauma has been implicated in the suicides and domestic violence cases of several NFL players, and even the deaths of several high school athletes. As a result, parents and fans are becoming increasingly sensitive to is