Concussion in college athletes produces detectable MRI abnormalities in blood flow and frontal-lobe tissue that can persist at least one year after return to play.
Man who killed four people in New York City building containing NFL headquarters had CTE
Shane Tamura had low-stage chronic traumatic encephalopathy (CTE) confirmed by the New York City medical examiner after a posthumous brain examination.
Repeated head trauma causes neuron loss and inflammation in young athletes - Nature
Repetitive head impacts produce early neuroinflammation, blood-brain barrier breakdown, astrocytic and white matter pathology that precede p-tau deposition and drive early CTE.