Boxing is surging as evidenced by the wildly lucrative Floyd Mayweather Jr.-Manny Pacquiao megafight and return of bouts to network TV, and the revitalization may lead to better protection for fighters in the ring. Dr. Charles Bernick of the Cleveland Clinic Lou Ruvo Center for Brain Health in Las Vegas recently announced an agreement to add fighters from the Premier Boxing Champions Series to his research study. The Professional Fighters’ Study is examining more than 500 fighters to learn more about damage done in their violent profession and the risk factors for individuals. “And what are the risk factors?