I saw a hypothesis (which is older than I thought) about CFS being related to the vagus nerve. At the time I read it, it made sense to me. Basically, an residua

I saw a hypothesis (which is older than I thought) about CFS being related to the vagus nerve. At the time I read it, it made sense to me. Basically, an residual infection close to the vagus nerve signals the brain that the body is fighting a serious infection. https://pubmed.ncbi.nlm.nih.gov/23790471/ https://pubmed.ncbi.nlm.nih.gov/23790471/