Concussion, headaches, and other results of sports injuries aren't just health issues - they're added frustrations for athletes. The first thing any athlete wants to know immediately after they've been injured is when they will be able to return to play. For most, a strained muscle or broken limb will heal within a few days or weeks and they'll be back the game. However, if a player sustains concussion or traumatic brain injury (TBI) it may be a different story. Recovery from a TBI for the...