The "brain fog" of long COVID might be due to impaired lung function following a person's infection, a new small-scale study says. Reduced gas exchange in the lungs -- oxygen coming in, carbon dioxide going out -- appears to be associated with brain fog in long COVID , researchers will report in Chicago at next week's annual meeting of the Radiological Society of North America. Advertisement "If these findings can be generalized to the long COVID population, the study suggests that there may be

Tag-uri: Coronavirus