Scientists thought brain inflammation was driving long COVID but the scans told a different story
Coronavirus
Long COVID may have less to do with lingering brain inflammation — and more to do with how the brain handles stress and emotion. Credit: Shutterstock A new brain imaging study is raising questions about one of the most widely discussed explanations for long COVID. Researchers found no evidence of widespread brain inflammation in people experiencing lingering symptoms after COVID-19 infection. Instead, patients with more severe symptoms showed increased activity in brain regions linked to
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