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New Alzheimer's diagnoses more common among seniors who have had Covid-19, study finds - CNN

New Alzheimer's diagnoses more common among seniors who have had Covid-19, study finds - CNN

New Alzheimer's diagnoses more common among seniors who have had Covid-19, study finds - CNN
Sep 19, 2022 1 min, 1 sec

The study does not show that Covid-19 causes Alzheimer's, but it adds to the growing body of research drawing links between coronavirus infection and cognitive function.

"​​In the Alzheimer's disease brain, the pathology starts to build up about 20 years before the symptoms begin," said Dr.

Instead, a Covid-19 infection could cause inflammation that may exacerbate changes that are already happening in the brain, experts say.

"The brain has its own immune response to the pathology that's involved in [Alzheimer's] disease progressing," said Holtzman, who was not part of the new study.

He also was not involved in the new study but is a researcher focused on risk prevention for Alzheimer's disease.

Masliah, who was not involved in the study, said that there's evidence that Covid-19 might "trigger cognitive impairment," but there are new ways to confirm the link to Alzheimer's specifically.

One next step would be to follow people at risk for Alzheimer's after a Covid-19 infection long-term to track biomarkers found in the blood and brain scans.

"Alzheimer's disease is a serious and challenging disease, and we thought we had turned some of the tide on it by reducing general risk factors such as hypertension, heart disease, obesity and a sedentary lifestyle," said Dr.

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