Results of this study showed that the application of ELF magnetic fields via a plastic helmet device housing a set of coils (generating fields of 8 Hz and 7.5 pT) produced beneficial clinical effects after 30 minutes in patients suffering Parkinson’s disease and multiple sclerosis.

J. Bardasano, Extracranial Device for Noninvasive Neurological Treatments with Pulsating ELF Magnetic Fields, Second World Congress for Electricity and Magnetism in Biology and Medicine,
8-13 June 1997, Bologna, Italy.