This article reports on the cases of three multiple sclerosis patients experiencing continuous and debilitating daily fatigue over the course of several years.  Treatment with extracranially applied picotesla flux electromagnetic fields dramatically improved symptoms of fatigue in all three patients.

R. Sandyk, Treatment with Weak Electromagnetic Fields Improves Fatigue Associated with Multiple Sclerosis, International Journal of Neurosci, 84(1-4), February 1996, p. 177-186.