This review article claims that over a quarter of a million patients worldwide with chronically ununited fractures have experienced beneficial results from treatment with pulsed electromagnetic fields. In addition, the author cites studies pointing to the treatment’s efficacy with respect to other conditions such as nerve regeneration; wound healing, graft behavior, diabetes, heart attack, and stroke.

C.A. Bassett, “Beneficial Effects of Electromagnetic Fields,” Journal of Cell Biochem, 51(4), April 1993, p. 387-393.