CFS, major depression and dysthymia are NOT the same

Marshall PS, Forstot M, Callies A, Peterson PK, Schenck CH.:
Department of Psychiatry, Hennepin County Medical Center, Minneapolis, MN 55415, USA.

CONCLUSIONS: It is concluded that, although CFS and major depression and dysthymia have distinct clinical features, these disorders have slowed motor and cognitive processing speed in common.