It has been seen in brains of people who have suffered a series of blows to the head . CTE can be diagnosed only after death , but a new diagnosis begins to describe symptoms . People with the disease exhibit behavioral and mood problems , as well as cognitive issues .
CTE has been seen in brains of athletes who have taken a lot of hits to the head . CTE can be diagnosed only after death , but a new study begins to describe symptoms . Athletes with the disease exhibit behavioral and mood problems , as well as memory issues .