What do we mean by ‘COVID-19 changes your brain’?
A study linked SARS-CoV-2 infections with smaller brain regions, but the implications are unclear
![images of the brain from different angles](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/03/031622_ls_brainshrink_feat.jpg?fit=1030%2C580&ssl=1)
Brain imaging (shown) can reveal when certain regions grow or shrink. A meticulous new brain-scanning study suggests that a bout of COVID-19 can make some parts of the brain smaller. The next big question is what those changes might mean for human health.
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