87 of 91 former NFL players who donated their brains to science after death tested positive for a brain disease that is believed to be linked with repeated head trauma and concussions, researchers said. The former players were found to have had chronic traumatic encephalopathy, known as CTE, according to the U.S. Department of Veterans Affairs and Boston University. The study results don't necessarily mean that 96% of all NFL players are at risk for CTE, said Dr. Robert Cantu. For more information please visit http://www.hlntv.com/video/2015/09/20...