What is Magnetic Therapy?

[About Magnetic Therapy 1 (Japanese/Chinese)]
[磁気治療の説明(日本語/中国語)]
https://www.youtube.com/watch?v=YaZPwSG_N5Q

[About Magnetic Therapy 2 (English)]
[磁気治療器]
https://www.youtube.com/watch?v=tIeO5O5Bbtw&t=336s

[Capillary]
[毛細血管の様子]
https://www.youtube.com/watch?v=_VrnZ0VTTpk&t=82s