Infection Connection

Could Alzheimer’s be caused by an infection? Boston researcher Robert Moir is investigating the controversial idea. In a series of studies, he and his colleagues have detailed how the protein that builds up on Alzheimer’s patients’ brains also protects mouse brains against pathogens.
Some researchers have found Lyme disease and pneumonia bacteria in the brains of Alzheimer’s patients, suggesting infection might have a role in the disease’s onset. Others hesitate to concede that different microbes might cause common diseases.
The so-called pathogen hypothesis remains less discussed than other hypotheses regarding Alzheimer’s causes. But Moir says more and more researchers and funders are willing to consider the possibility.
Source: AEON

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