Poor lung gas exchange may help explain lingering brain symptoms in Long COVID
Coronavirus
By Priyanjana Pramanik, MSc. Reviewed by Susha Cheriyedath, M.Sc. Nov 25 2025 New imaging reveals how subtle lung changes may influence sleep and brain activity years after COVID, offering clues to why symptoms persist even when routine tests look normal. Study: Long COVID: lung pathophysiology and its relationship with cognitive dysfunction . Image Credit: designium / Shutterstock In a recent study published in the journal Scientific Reports , researchers examined whether lung abnormalities
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