Kyoichi Nakagawa, chief physician at Isuzu Hospital in Tokyo, described a medical condition called Magnetic Field Deficiency Syndrome (MFDS) that causes various symptoms, including neck, back, shoulder and chest pain, chronic intestinal disorders and general asthenia.
Magnets were used to treat the following ailments:







The effects are observed on average after the fourth day of application. No side effects were detected, but 90% of the patients defined the results obtained, according to a previously established conventional evaluation scale, as "more than satisfactory", "very effective", "fairly effective", while 10% defined the results as little effective or ineffective.
(Kyoichi Nakagawa, MD, “Magnetic Field Deficiency syndrome & Magnetic treatment”, Japan Medical Journal, 2745, 12 April 1976).