In a letter to the Lancet in 1993, psychiatrists David and Wessely contested the WHO classification of CFS under diseases of the nervous system, arguing that it was a form of neurasthenia to be classified as a psychiatric condition.
In Chinese herbology, E. senticosis is used by people with bone marrow suppression caused by chemotherapy or radiation, angina, hypercholesterolemia, and neurasthenia with headache, insomnia, and poor appetite.