In a story by Debora MacKenzie at New Scientist, multiple research teams
have found that
Porphyromonas gingivalis, the key bacteria in gum
disease, is what causes Alzheimer’s.
Story here :-
https://www.newscientist.com/article...ow-to-stop-it/
BBC story :-
https://www.bbc.com/news/health-46986709
Science :-
https://www.sciencemag.org/news/2019...ur-alzheimer-s
Paper "
Porphyromonas gingivalis in Alzheimer’s disease brains: Evidence for disease causation and treatment with small-molecule inhibitors" by Dominy et. al.
published in Science Advances :-
http://advances.sciencemag.org/content/5/1/eaau3333