Can’t Think, Can’t Remember: More Americans Say They’re in a Cognitive Fog

https://archivoenfermo.substack.com/p/cant-think-cant-remember-more-americans

Cognitive impairment is a “hallmark of long Covid,” said Dr. Ziyad Al-Aly, chief of research and development at the V.A. St. Louis Health Care System and a clinical epidemiologist at Washington University in St. Louis.

Studies estimate some 20 percent to 30 percent of people who get Covid have some cognitive impairment several months later, including people with symptoms ranging from mild to debilitating. Research has also shown clear biological changes from the virus related to cognition, including, in some long Covid patients, lower levels of serotonin.

“It’s not just fog, it’s a brain injury, basically,” said Dr. Monica Verduzco-Gutierrez, chair of rehabilitation medicine at the University of Texas Health Science Center at San Antonio. “There are neurovascular changes. There’s inflammation. There are changes on M.R.I.s.”

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