“When did you know what you were watching happen on the field, what the click of helmet-on-helmet meant? When did you first feel a pang of queasiness while watching the head of one young person collide into another’s? When was it that NFL fandom started feeling a little tricky, a little in need of defending, a little less like just another sporting event? When did you realize what you were drinking to on Sundays?” Boston University researchers may soon be able to diagnose CTE in living patients. That will change things for NFL players. And fans. From The Ringer: The CTE Breakthrough and the Burden of Understanding.