This review article notes that low-frequency electromagnetic therapy has been used for a variety of purposes. Those specifically identified the author include cell growth promotion, pain reduction, improved blood circulation, bone repair, increased wound healing, sedative effects, enhanced sleep, and arthritic relief.
R.A. Drolet, “Rhumart Therapy: A Non-invasive Cell Regeneration Ion and AntiInflammatory Therapy Using LF-EM Fields,” Bioelectromagnetics Society, 4th Annual Meeting, 28 June-2 July 1982, Los Angeles, CA, p. 45.