TY - JOUR T1 - Chronic traumatic encephalopathy: Rugby's call for clarity, data and leadership in the concussion debate JF - British Journal of Sports Medicine JO - Br J Sports Med SP - 76 LP - 79 DO - 10.1136/bjsports-2013-093031 VL - 48 IS - 2 AU - Jon S Patricios AU - Simon Kemp Y1 - 2014/01/01 UR - http://bjsm.bmj.com/content/48/2/76.abstract N2 - After US District Judge Judy Brody recently ruled that the consolidated multi-district concussion litigation cases against the National Football League (NFL) in the USA were to be transferred to a labour arbitrator, the NFL agreed to a $765 million settlement. More than 4000 current and ex-NFL players, the plaintiffs in this case, allege that the NFL has misrepresented the long-term health dangers associated with on-field head injuries.1 Either way, the debate about the potential long-term consequences of concussion will play out in the American media for a number of years to come, ensuring that the term chronic traumatic encephalopathy (CTE), a progressive neurodegenerative condition that is thought to occur as a consequence of repetitive mild traumatic brain injury, not only remains part of our clinical lexicon, but is also embedded in social media postings (‘#CTE’ on Twitter, ‘Heads Up! CTE’ on Facebook, 1740 YouTube videos, and 740 000 Google references)2 ,3 where the messaging today is simple and consistent: ‘contact sport damaged my brain and it didn't have to happen’. Recently, the National Hockey League (NHL) has been sued by the family of a former NHL player in what has been described as ‘an explosive wrongful death lawsuit’ that allegedly resulted from a lethal combination of recurrent head injuries, in-game fighting, over-prescribed painkillers and CTE. American Football and Ice Hockey are not the only sports to be associated with CTE.4 Boxing was implicated in the very first medical descriptions of dementia pugilistica in prize-fighters in 1928,5 while in soccer, the possibility of significant brain injury as a result of repeated heading of the ball has again been reopened in the context of the CTE debate.6 Rugby Union (hereafter just ‘Rugby’) is a collision team sport played by men, women, boys and girls in … ER -