Vivica A. Fox attends the "Concussion" screening in Los Angeles

Actress Vivica A. Fox attends a screening of the motion picture sports drama "Concussion" at Regency Village Theatre in the Westwood section of Los Angeles on November 10, 2015. Storyline: Will Smith stars in a dramatic thriller based on the incredible true David vs. Goliath story of Nigerian immigrant Dr. Bennet Omalu, the brilliant forensic neuropathologist who made the first discovery of CTE, a football-related brain trauma, in a pro player. Photo by Jim Ruymen/UPI