Brain fog refers to cognitive symptoms that could include trouble focusing or memory issues. Experts explain what besides long COVID could cause these problems.
Cognitive impairment occurred relatively often within several months of patients having had COVID-19, according to results of a cross-sectional study published in JAMA Network Open.“We were hoping to determine the prevalence of cognitive dysfunction in post-COVID patients and whether cognitive dysfunction occurred across the spectrum of disease severity,” Jacqueline H. Becker, PhD, a