In patients with long COVID, lower pulmonary gas exchange may be associated with impaired cognitive function, according to a new study.

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Lower rates of gas exchange in the lungs may contribute to impaired cognitive function ("brain fog") tied to long COVID, ...

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 ...

Study senior author Dr. Sean Fain said: “If these findings can be generalized to the long Covid population, the study ...