https://emedicine.medscape.com/article/2500143-overview?src=mbl_msp_iphone&ref=email post viral syndromes https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9002258/ Etiology of Brain Fog https://www.bmj.com/content/374/bmj.n1648 Hypometabolism of brain https://pubmed.ncbi.nlm.nih.gov/32728799/ https://pubmed.ncbi.nlm.nih.gov/32881133/ https://pubmed.ncbi.nlm.nih.gov/33452633/ review article https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9305273/ long covid post one year https://read.qxmd.com/read/35215212/long-term-sequelae-of-covid-19-a-systematic-review-and-meta-analysis-of-one-year-follow-up-studies-on-post-covid-symptoms Fatigue/weakness (28%, 95% CI: 18-39), arthromyalgia (26%, 95% CI: 8-44), depression (23%, 95% CI: 12-34), anxiety (22%, 95% CI: 15-29), memory loss (19%, 95% CI: 7-31), dyspnoea (18%, 95% CI: 13-24), concentration difficulties (18%, 95% CI: 2-35), and insomnia (12%, 95% CI: 7-17) were the mo...