World Wide Web has sufficing data and research information on this subject, so we recommend to do the research at your own freedom. Below mentioned are some of the online search terms to use to get you started and learn more about this rapidly growing field of advanced science.  
Bioelectronics, Bioelectromagnetics, Biomagnetism, Biofield, Electro therapy, Electromedicine, Electroceutical, Electric Stimulation,
Earth's Magnetic Field, Frequency Medicine,
Pulsed Electromagnetic Fields or PEMF Therapy.