Fox News
An analysis of brain scans from people once infected with COVID-19 suggested a consistent pattern in loss of grey matter over time, researchers say. … They compared brain scans taken pre-pandemic to scans taken about three years later among 394 coronavirus patients and 388 matched controls. "Our findings thus consistently relate to loss of grey matter in limbic cortical areas directly linked to the primary olfactory and gustatory system," or areas in the brain related to the perception of smell and taste, authors wrote.