“…This was reported in approximately 17% of professional boxers with long careers and a large number of bouts, who progressively developed after multiple concussions a disease with behavioral, mood and cognitive abnormalities (emotional lability, memory loss), and motor impairments (mild Parkinsonism, dysarthria and mild imbalance) (Tarazi et al, 2016). Olympic-style boxing has a less violent history with serious injuries being rare, and there is no strong evidence supporting a relationship with chronic brain injury (Howell et al, 2017). Nowadays, dementia pugilistica is rare, but even a single bout can produce permanent deficits; therefore boxing is never devoid of risk for permanent brain injury (Castellani & Perry, 2017).…”