Head Trauma

In contact sports there will be a lot of trauma to the head. Let's face it, contact is bad on the body. As a fighter you have to be careful in training and allow your body to heal after competition. After competing for several years you have to assess the damage done to your body and evaluate when your end time for competition will be. Check out this clip on head trauma. 

http://www.youtube.com/watch?v=Q8DXiCr3-jE&feature=related