People who are having (or have had) trouble getting a diagnosis, were told any variation of "it's in your head," etc. will be interested in this extensive and very interesting site, written by a neurologist in the U.K.
http://www.neurosymptoms.org
Thanks to a former Medhelp member who has been through diagnosis hell and sent me this link!
Nancy T (symptoms for 12-plus years, no diagnosis of anything, though MS and "medical student's disease" were once leading candidates!)