“Is Oral Bacteria a Risk Factor for Alzheimer’s?”


PsychCentralPsychCentral‘s Traci Pedersen covered the Journal of Oral Microbiology article Can oral infection be a risk factor for Alzheimer’s disease? authored by Editor-in-Chief Ingar Olsen and Sim K Singhrao, discussing the link between oral infection and Alzheimer’s disease.

From the PsychCentral story:

Researchers have well established that many bacteria in the mouth, particularly in people with gum disease, find their way into the host bloodstream. If they pass through the blood brain barrier, any number of them could be implicated in the Alzheimer’s enigma, says Olsen.

In poring over the research for the review, Olsen — who has spent decades identifying the hundreds of bacteria species that comprise the oral micro biome — was struck by one particular observation.

“I was amazed that so much of the research to date has been focused on a couple of groups of bacteria, namely spirochetes and Porphyromonas gingivalis,” said Olsen, “when there are well over 900 different bacteria in the oral cavity.

“I thought, this can’t be the entire story!”

Read the PsychCentral story in full: Is oral bacteria a risk factor for Alzheimer’s

Access Olsen and Singhrao’s article: Can oral infection be a risk factor for Alzheimer’s disease?