Increasing numbers of military veterans are entering the U.S. prison system. Why? A recent study highlights the important role that anger can play in how well veterans reintegrate into society after traumatic tours of duty -- and how likely they are to run into problems in prison, if that's where they end up.

TORONTO - The occurrence of brain-rattling concussions among both elite male and female hockey players appears to be much higher than reported, sugges...

When Junior Seau's girlfriend found him dead of a self-inflicted gunshot wound at his home in Oceanside, California, speculation arose over the similarity between his death and the suicides of other NFL stars. Though a recent autopsy report ruled out brain damage and drugs and alcohol in Seau's death, this is just part of a disturbing trend in recent years with former NFL players committing suicide in similar ways, showing that far more needs to be done.