Neurasthenia n. : A condition of nervous debility supposed to be dependent upon impairment in the functions of the spinal cord.

Example:
CFS, Neurasthenia and exercise as treatment?

Taxonomy
neurasthenia, symptoms, medical diagnosis, 09-11, Beard, treatment, free encyclopedia, weakness, stress, nerves, symptoms of fatigue, the American, shenjing shuairuo, Americanitis, William James, physical symptoms, pains, Clio.

Defination from the web:
neurasthenia became a "popular" diagnosis, expanding to include such symptoms as weakness, dizziness and fainting, and a common ... Death of neurasthenia and its psychological reincarnation. A study of neurasthenia at the National Hospital for the Relief and Cure of the ...