Viral Persistence and Serotonin Reduction Can Cause Long COVID Symptoms, Penn Medicine Research Finds
Perelman School of Medicine at the University of PennsylvaniaPatients with long COVID – the long-term symptoms like brain fog, fatigue, or memory loss in the months or years following COVID-19 – can exhibit a reduction in circulating levels of the neurotransmitter serotonin, according to new research published today in Cell.