Marco
Senior Member (Voting Rights)
Caveat - in a large scale longitudinal study traumatic brain injury correlates with the development of dementia in later life in a 'dose dependent' manner.
http://www.dailymail.co.uk/health/article-5331147/Suffering-blow-head-raises-risk-dementia.html
If causal - the exact mechanism remains undetermined but does suggest that some process continues after the initial injury is assumed to have healed (see post concussion syndrome - https://en.wikipedia.org/wiki/Post-concussion_syndrome).
http://www.dailymail.co.uk/health/article-5331147/Suffering-blow-head-raises-risk-dementia.html
If causal - the exact mechanism remains undetermined but does suggest that some process continues after the initial injury is assumed to have healed (see post concussion syndrome - https://en.wikipedia.org/wiki/Post-concussion_syndrome).