The Way Out of Brain Fog Pamela Weintraub Debbie Gustafson of Dresher, Pennsylvania, was on the trip of a lifetime, touring the Galápagos with her family last March, when she began to feel the effects of COVID-19. Though her physical symptoms—diarrhea, dry cough, chills—were considered mild by doctors, her fatigue was crushing, and her mind was trapped in a fog. Once an avid reader, she couldn’t get through a page. “My eyes darted everywhere. I had no focus,” she told me. Before COVID-19, she’d held two part-time jobs, but she soon had to give up both of them.