In the years following the onset of the COVID-19 pandemic, understanding the long-term consequences of SARS-CoV-2 infection remains a pressing scientific and medical challenge. Among these, Long COVID—a complex chronic condition presenting a myriad of persistent symptoms after initial infection—has emerged as one of the most perplexing sequelae. Central to the experience of many suffering from Long COVID is the debilitating cognitive impairment commonly dubbed “brain fog.” Affecting more than 80% of individuals with Long COVID, this syndrome manifests as profound difficulties in memory, concentration, and overall mental clarity, severely disrupting daily functioning and quality of life on a global scale.