Penn Study Finds Serotonin Reduction Causes Long COVID SymptomsLong COVID patients show reduced serotonin levels due to decreased tryptophan absorption, leading to symptoms like brain fog and memory loss.#serotonin#tryptophan#Long Covid#brain fog#Memory#memory loss#Post-Acute Conditions#brain#cognition·pennmedicine.org·Nov 6, 2024Penn Study Finds Serotonin Reduction Causes Long COVID Symptoms
