the cost of concussion. we are talking about grassroots sports and talking about grassroots sports and talking about grassroots sports and talking about your experiences, whether you are a player, coach, participant, a parent, medic. your experience of concussion. it s worth reminding you that almost 400 former rugby players are currently taking legal action claiming they suffered brain injuries while playing the game. some of those guys have got dementia as well and can t even remember some of the games they played in. professional sport has already changed its rules. it is now grassroots sport following suit. that s what we are talking about, the cost of concussion. 08085 909693, and text on 85058 and get in touch via social media. doctor michael gray, neuroscientist and part of the uk acquired brain injury