MMA Fighters Receive Worst Head Injuries: Study

A University of Toronto study has revealed that head injuries suffered during mixed martial arts (MMA) are more severe and fatal than those received during boxing, football, hockey and other martial arts forms. Researchers found that about 13 per cent of MMA ended in knockouts and 21 per cent ended in technical knockouts. They said that concussion rates in MMA were greater than hockey and football and suggested that referees should receive more specialised ...