https://yestino.com/entities/long-covid-24732fEvery event involving Long COVIDenhttps://yestino.com/events/long-covid-s-brain-fog-finally-has-a-biological-explanation-eaf0d3https://yestino.com/events/long-covid-s-brain-fog-finally-has-a-biological-explanation-eaf0d3Mon, 14 Sep 2026 18:55:18 GMTScientists found up to 20% less dopamine nerve density in long COVID patients, and say the damage tracks closely with specific symptoms. Sources: Fortune