by Ziyad Al-Aly, Washington University in St. Louis, [This article first appeared in The Conversation, republished with permission] From the very early days of the pandemic, brain fog emerged as…

by Ziyad Al-Aly, Washington University in St. Louis, [This article first appeared in The Conversation, republished with permission] Since 2020, the condition known as long COVID-19 has become a widespread…