This comes under that old moniker... Sh*t happens!
CTE (whatever that is), Alzheimer’s, dementia, not being able to find your underwear... Those are all terrible things. They are typically terrible things that happen because you’re very old. When they happen to young people it’s a shame... When they happen to old people... It’s part of being old.
Chronic traumatic encephalopathy doesn’t happen because you’re very old. It happens because you’ve taken too much brain damage. Symptoms usually start in the 30s or 40s. Some even younger.
FJB never played football...