brain fog

  • What ‘Brain Fog’ Is and What It Isn’t

    What ‘Brain Fog’ Is and What It Isn’t

    The COVID pandemic has introduced many scientific and medical terms into our everyday language. Many of us are now fluent in conversations about viral strains, PCR tests and mortality rates. “Brain fog” has joined these ranks to describe a now-familiar symptom of COVID and long COVID. But what exactly is brain fog, and is it…