 On September 13, 2010, WWE updated their list of banned substances to include muscle relaxers.During the 1980s and 1990s, Dr. George Zahorian was thought to have routinely distributed steroids and other drugs to WWF wrestlers, supposedly with the approval of WWF owner Vince McMahon.In 1993, McMahon was indicted in federal court after the steroid controversy engulfed the promotion, forcing him to temporarily cede control of the WWF to his wife Linda.