A new study says COVID-19 can cause dementia. How real is the risk?
A new study says COVID-19 can cause dementia.  How real is the risk?

A new study says COVID-19 can cause dementia. How real is the risk?

Since the early days of the coronavirus pandemic, people have become increasingly concerned about the extent to which COVID-19 infection may affect our brains – and whether what has become known as “brain fog” may develop into something more extreme. .

A new study, published this week in JAMA Neurologysuggests that COVID-19 survivors over the age of 60 may face an increased risk of mild cognitive impairment, cognitive decline, and even dementia.

But like much of the research collected on COVID-19, the results should be treated with caution, Bay Area experts say.

The study followed more than 1,400 COVID-19 survivors aged 60 or older who had been discharged from hospitals in Wuhan, China between February and April 2020, during the first months of the crisis. Researchers used patients’ uninfected spouses as a control population.

The purpose of the study was to test the one-year trajectory for cognitive changes in older COVID-19 survivors. Participants were tested on their cognitive functions using a questionnaire and a telephone interview, both six months and one year after their return.

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