Poor lung gas exchange may help explain lingering brain symptoms in Long COVID

Poor lung gas exchange may help explain lingering brain symptoms in Long COVID

This study found that people with Long COVID more than two years after infection showed normal lung tests and brain structure, yet reported significant sleep and cognitive symptoms. Subtle correlations revealed that poorer lung gas exchange was linked with higher brain perfusion, worse sleep, and weaker executive function, suggesting a possible lung–brain connection.

The healing we still need: Covid's lingering shadow

Five years after the height of the Covid-19 pandemic and the world first locked down, America’s healthcare professionals are still recovering.