Concerning 1. The above mentioned [1] species P. gingivalis is suspected to be a link there. [2] [1]: https://news.ycombinator.com/item?id=33158019 https://ne

Concerning 1. The above mentioned [1] species P. gingivalis is suspected to be a link there. [2] [1]: https://news.ycombinator.com/item?id=33158019 https://news.ycombinator.com/item?id=33158019 [2]: https://en.wikipedia.org/wiki/Dementia#Dental_health https://en.wikipedia.org/wiki/Dementia#Dental_health