Japanese researchers have found that people who experience COVID-19 “brain fog” have a higher-than-usual density of a certain neural receptor, a discovery that could pave the way for treatment options. https://www.japantimes.co.jp/news/2025/10/24/japan/science-health/covid-brain-fog-study/?utm_medium=Social&utm_source=mastodon #japan #sciencehealth #covid19 #brain #health