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Mirra's brain's tau proteins were indistinguishable from confirmed CTE cases.

Extreme sports icon Dave Mirra had been exhibiting personality changes, a sign of chronic traumatic encephalopathy, ahead of his suicide earlier this year.

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Speed Filter blamed for 107-mph crash that left one man brain damaged.

Snapchat was named in a lawsuit brought by a man who suffered brain damage in a car crash his lawyers say was caused by one of the app's special features.