Bacteria in Brains Suggests Oral Hygiene Has Role in Alzheimer’s

Bacteria in Brains Suggests Oral Hygiene Has Role in Alzheimer’s

Suzanne Plunkett/Bloomberg

The findings support a theory that bacteria in the mouth enter the bloodstream through chewing and cleaning the teeth and end up in other parts of the body including the brain, StJohn Crean, the lead researcher, said in a telephone interview.