Repeated head trauma is linked to smaller brain volume in study of professional fighters

Repeated blows to the head are associated with lower brain volumes and lower processing speed in boxers and other professional fighters, a report in the British Journal of Sports Medicine has concluded.

The Professional Fighters Brain Health Study1 included 131 martial arts fighters and 93 boxers, as well as 22 matched controls. All participants were aged 18 to 44, and the amount of time they had spent as professional fighters …