In his first extensive interview since being released from prison in October, Pro Football Hall of Fame running back O.J. Simpson told The Buffalo News this week that he is worried he might have chronic traumatic encephalopathy (CTE), a degenerative brain disease. "I get concerned," Simpson told the newspaper from his home in Las Vegas. "I do recognize that it probably affects you in short-term memory more than long-term. I know with me, I have days I can't find words. I literally cannot find words or the name of somebody I know. That gets a little scary. Those days happen when I'm tired." Simpson, 70, played 11 seasons in the NFL for the Buffalo Bills (1969-77) and San Francisco 49ers (1978-79). He told The Buffalo News he can remember two concussions suffered during his career. CTE can only be diagnosed during an autopsy. "I feel all right," he told the newspaper. "But I have days when I can't ... I lose words, and I can't come up with a simple...