"28.2% reported experiencing brain fog, who were generally older (mean brain fog 35.7 ± 11.9 years vs. 32.8 ± 11.6 years, p < 0.0001) and more likely to be female (OR = 1.2, p < 0.001)"
"Comorbidities included #longCOVID-19 (OR = 3.8, p < 0.0001), #concussions (OR = 2.4, p < 0.0001), and higher #migraine disability assessment scores (MIDAS) (+34.1%, all p < 0.0001)."