CTE has been seen in brains of athletes who have taken a lot of hits to the head . Comment: `` My mood has changed , '' said Jenkins , 36 , a soft-spoken former running back who played for several teams , including the San Diego Chargers . Athletes with the disease exhibit behavioral and mood problems , as well as memory issues .
CTE has been seen in brains of athletes who have taken a lot of hits to the head . Comment: Athletes with the disease exhibit behavioral and mood problems , as well as memory issues .