I thought I would start a new thread rather than hijack Rich's post about GABA As others have noted, ME/CFIDS and POTS have a similar symptom list and are thought to be related. I thought I would point out that for several years now, ME/CFIDS and Autism are thought to be related. In 2005, a prominent ME/CFIDS researcher made the connection between ME/CFIDS and autism. I have attached some links to those who like to do research and a couple of excerpts for ease of reading. Happy to discuss and