Chronic Traumatic Encephalopathy Season Has Started
/The condition now known as chronic traumatic encephalopathy was first described almost 100 years ago, but there is so much we still don't know.
Read MoreChronic Traumatic Encephalopathy in Football-Players
/An autopsy study reveals that 99% of the brains of NFL players had evidence of chronic traumatic encephalopathy. Will this condition be the end of football? For the video version, click here.
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