Recently, Welsh rugby star Shane Williams, has shone a light on how the world of rugby is working to reduce concussions (Shane Williams: Rugby, Concussion and Me now available on BBC iplayer). Meanwhile, one local Cardiff team, the Headway Select XV, champions this very issue. Founder and Team Captain, Chris Case, started the team after his wife made an incredible recovery from an aneurysm. “I recognized how lucky we were and wanted to do something for others who weren’t so…