Search Tags: University of Rochester Medical Center
A football player is constantly taking blows to the head. Most are not strong enough to cause a concussion, but there is growing evidence a series of lesser hits could do significant damage.
Sunday - 03/10/2013, 04:37pm EDT
, July 26, 2014
Now: 87 °FToday: Partly sunny and very warm
Hi: 88 °F | Lo: 74 °F