Reduction of pain thresholds in fibromyalgia after very low-intensity magnetic stimulation: a double-blinded, randomized placebo-controlled clinical trial.
Maestú C, Blanco M, Nevado A, Romero J, Rodríguez-Rubio P, Galindo J, Bautista Lorite J, de las Morenas F, Fernández-Argüelles P. · 2013
View Original AbstractVery low-intensity magnetic fields significantly reduced chronic pain in fibromyalgia patients, proving weak EMF can trigger measurable biological responses.
Plain English Summary
Spanish researchers tested whether very low-intensity magnetic field stimulation could help women with fibromyalgia, a chronic pain condition. After eight weekly sessions of 8 Hz pulsed magnetic fields, patients showed significant improvements in pain thresholds, daily functioning, sleep quality, and overall pain levels compared to those receiving fake treatment. The improvements began after just one session for pain relief, with other benefits appearing after six weeks of treatment.
Why This Matters
This study demonstrates something remarkable: extremely weak magnetic fields can produce measurable therapeutic effects in chronic pain patients. The 8 Hz frequency used here falls within the same extremely low frequency (ELF) range as power lines and household wiring, though at much lower intensities. What makes this research particularly significant is that it challenges the common assumption that only high-intensity EMF exposures can affect human biology. The reality is that our bodies are exquisitely sensitive bioelectrical systems, and this study adds to growing evidence that even subtle electromagnetic influences can trigger meaningful physiological responses. While this research focused on therapeutic applications, it underscores a broader point: if weak magnetic fields can improve chronic pain, they're certainly capable of influencing other biological processes as well.
Exposure Information
Specific exposure levels were not quantified in this study.
Study Details
To test the effect of very low-intensity transcranial magnetic stimulation on symptoms associated with fibromyalgia syndrome
A double-blinded, placebo-controlled clinical trial was performed in the Sagrado Corazón Hospital, S...
A repeated-measures ANOVA indicated statistically significant improvement in the stimulation group c...
Very low-intensity magnetic stimulation may represent a safe and effective treatment for chronic pain and other symptoms associated with fibromyalgia.
Show BibTeX
@article{c_2013_reduction_of_pain_thresholds_1564,
author = {Maestú C and Blanco M and Nevado A and Romero J and Rodríguez-Rubio P and Galindo J and Bautista Lorite J and de las Morenas F and Fernández-Argüelles P.},
title = {Reduction of pain thresholds in fibromyalgia after very low-intensity magnetic stimulation: a double-blinded, randomized placebo-controlled clinical trial. },
year = {2013},
url = {https://www.hindawi.com/journals/prm/2013/270183/},
}