Concussion in sport is in the headlines, so here's what we know about the condition itself

[Ntgthegamer]

Almost every weekend in footy season brings a fresh reel of high-impact collisions between players, replayed in slow motion and high definition on our television screens. And while technology now lets us see — in often sickening detail — the exact moment of impact between shoulder and chin, or player and turf, concern is rising about the potential health consequences of concussion in sport. Football players from across the codes are also voicing their concerns about the short and long-term health effects of concussion, with some players putting their careers on hold, and others even leaving the profession for good as a result. In the last few years, and following greater awareness of head injuries in NFL players in the US, Australian sporting codes have made rules changes around dealing with concussed players, and earlier this year multiple medical and sporting institutions released the Concussion in Sport Australia Position Statement. But how much do we really know about concussion and what it does to the brain and body in the short and long term?