Atthecentreofthedebateareworriesaboutpossiblebraindamageanddementiacausedbyconcussion — that's a typeoftraumaticbraininjurycausedby a bumporblowtothehead, andthetopicofthisprogramme.
Boxing, ofcourse, isoneofthemostdangeroussports, andsomyquizquestionisabout a famousboxer.