text: * by electric energy as electric current: electrotherapy, electroconvulsive therapy
  ** Transcranial magnetic stimulation
  ** Vagus nerve stimulation
  * by magnetic energy:
  ** magnet therapy
  ** pulsed electromagnetic field therapy
  ** magnetic resonance therapy
  * by electromagnetic radiation (EMR):
  ** by light: light therapy (phototherapy)
  *** ultraviolet light therapy
  **** PUVA therapy
  *** photodynamic therapy
  **** photothermal therapy
  **** cytoluminescent therapy
  *** blood irradiation therapy
  *** by darkness: dark therapy
  *** by lasers: laser therapy
  **** low level laser therapy
  ** by gamma rays: radiosurgery
  *** Gamma Knife radiosurgery
  *** stereotactic radiation therapy
  *** cobalt therapy
  ** by radiation generally: radiation therapy (radiotherapy)
  *** intraoperative radiation therapy
  *** by EMR particles:
  **** particle therapy
  ***** proton therapy
  ***** electron therapy
  ****** intraoperative electron radiation therapy
  ****** Auger therapy
  ***** neutron therapy
  ****** fast neutron therapy
  ****** neutron capture therapy of cancer
  *** by radioisotopes emitting EMR:
  **** by nuclear medicine
  **** by brachytherapy
  ** quackery type: electromagnetic therapy (alternative medicine)
  * by mechanical: manual therapy as massotherapy and therapy by exercise as in physical therapy
  ** inversion therapy
  * by sound:
  ** by ultrasound:
  *** ultrasonic lithotripsy
  **** extracorporeal shockwave therapy
  *** sonodynamic therapy
  ** by music: music therapy
  * by temperature
  ** by heat: heat therapy (thermotherapy)
  *** by moderately elevated ambient temperatures: hyperthermia therapy
  **** by dry warm surroundings: Waon therapy
  **** by dry or humid warm surroundings: sauna, including infrared sauna, for sweat therapy
  ** by cold:
  *** by extreme cold to specific tissue volumes: cryotherapy
  *** by ice and compression: cold compression therapy
  *** by ambient cold:
  **** hypothermia therapy for neonatal encephalopathy (in newborns)
  **** targeted temperature management (therapeutic hypothermia, protective hypothermia)
  ** by hot and cold alternation: contrast bath therapy