Ashley May | USA TODAY |
Alzheimer’s disease could be caused by a gum infection, according to a new study.
The study, published this week in the peer-reviewed journal Science Advances , suggests the bacteria Porphyromonas gingivalis that destroys gum tissue in the mouth is linked to dementia and Alzheimer's.
Researchers observed the bacteria in the brains of people with Alzheimer's disease. They also conducted tests…