Pulsed Magnetic Field Therapy (PEMF): Health Effects, Benefits and Applications
What is pulsed magnetic field therapy (PEMF)?
Pulsed magnetic field therapy (PEMF) is a treatment that uses controlled pulses of electromagnetic energy to affect biological tissues. This therapy has been extensively studied for its effects on various biological systems, and different frequencies have been shown to have varied effects.
PEMF therapy works by sending electromagnetic pulses through the body, stimulating the cells and increasing the body's natural healing processes. This therapy can help improve circulation, reduce inflammation, relieve pain and accelerate tissue regeneration.
Health benefits of PEMF
- Pain relief: PEMF therapy can effectively reduce pain in many different pain conditions by modulating nerve activity and reducing inflammation.
- Inflammation reduction: Reduction of inflammation and edema is one of the most documented effects of PEMF. This is especially helpful for chronic inflammatory conditions such as arthritis.
- Improved blood circulation: PEMF therapy improves blood circulation by dilating blood vessels (vasodilation), which increases oxygen distribution in the body.
- Increased energy production: Increased production of ATP in the cell nucleus leads to higher energy levels and better cell metabolism.
- Natural circadian rhythm: Regular use of PEMF therapy can help regulate the body's natural circadian rhythm, which leads to better sleep quality.
- Tissue regeneration: PEMF therapy promotes tissue regeneration by increasing the production of growth factors and stimulating stem cell production.
- Immune defense: Stimulating and balancing the immune system is another important benefit of PEMF, which can contribute to better overall health and resistance to disease.
- Anti-aging: PEMF therapy has been shown to counteract aging at the cellular level by improving cellular functions and reducing oxidative stress.
Pain relief
PEMF therapy can effectively reduce pain by modulating nerve activity and reducing inflammation. It has been shown to be particularly effective for the treatment of chronic pain, arthritis and back pain.
Improved blood circulation
By increasing blood flow through vasodilation, PEMF therapy contributes to better oxygen delivery and nutrient transport to the body's cells, which promotes healing and tissue regeneration.
Reduction of inflammation
PEMF therapy modulates inflammatory pathways and reduces the production of inflammatory cytokines. This helps to reduce swelling and inflammation in the body.
Increased energy production
PEMF therapy increases the production of adenosine triphosphate (ATP) in the cells, which is essential for cellular energy. This leads to increased energy levels and improved cell function.
Stimulation of the immune system
PEMF therapy can help to strengthen and balance the immune system, making the body better equipped to fight infections and diseases.
Improved sleep quality
PEMF therapy helps to regulate the circadian rhythm and promotes deep, restorative sleep. This can help with sleep problems and improve overall health and well-being.
Tissue regeneration and wound healing
PEMF therapy promotes angiogenesis (formation of new blood vessels) and increases fibroblast activity, which is essential for tissue repair and wound healing.
Anti-aging effects
By improving cellular function and stimulating the production of endogenous antioxidants, PEMF therapy can help counteract aging at the cellular level.
Scientific effects of different PEMF frequencies
Extremely Low Frequency PEMF (ELF) (3-500 Hz)
Effects on bacteria
- Frequency range: 150-500 Hz
- Effects: ELF PEMF can significantly reduce the growth rate of bacteria such as Staphylococcus aureus. Optimal reduction in bacterial viability is observed at 300 Hz and 1.5 mT.
- Mechanism: PEMF disrupts bacterial cell function and viability.
Cellular effects
- Frequency range: 3-50 Hz
- Effects: ELF PEMF affects cellular processes such as cell proliferation, differentiation and apoptosis. The effects are frequency dependent, with some frequencies promoting cell growth and others inhibiting it.
Low-frequency PEMF (1-1000 Hz)
Treatment of bone fractures
- Frequency range: 15-30 Hz
- Effects: Low-frequency PEMF improves osteoblast activity and bone formation, and is widely used in clinical settings to promote bone healing.
- Mechanism: PEMF increases calcium influx into bone cells, which improves osteoblast proliferation and differentiation.
Pain relief
- Frequency range: 50-100 Hz
- Effects: Frequencies in this range are used for pain management, by modulating nerve activity and reducing the perception of pain.
- Mechanism: PEMF affects the production of inflammatory cytokines and increases the release of endorphins.
Intermediate frequency PEMF (1-100 kHz)
Tissue regeneration
- Frequency range: 27.12 MHz
- Effects: Intermediate frequencies are used for tissue regeneration and wound healing, by increasing blood flow and promoting tissue repair.
- Mechanism: PEMF enhances angiogenesis and fibroblast activity, which are essential for tissue repair.
Neurological effects
- Frequency range: 1-10 kHz
- Effects: These frequencies affect nerve generation and have potential applications in the treatment of neurological conditions such as peripheral neuropathy.
- Mechanism: PEMF promotes the growth of nerve fibers and improves the viability of nerve cells.
High frequency PEMF (100 kHz - 1 MHz)
Cancer treatment
- Frequency range: Around 100 kHz
- Effects: High-frequency PEMFs are being investigated for their potential in cancer treatment, by inducing apoptosis in cancer cells without affecting normal cells.
- Mechanism: PEMF disrupts the cancer cells' membrane potentials, which leads to cell death.
Anti-inflammatory effects
- Frequency range: 100-300 kHz
- Effects: These frequencies have anti-inflammatory effects, which can be useful in the treatment of inflammatory conditions.
- Mechanism: PEMF modulates inflammatory pathways and cytokine production.
Radiofrequency PEMF (1-300 MHz)
Thermal effects
- Frequency range: Around 27.12 MHz
- Effects: Used in diathermy to generate deep tissue heating, which helps with muscle relaxation, pain relief and improved joint mobility.
- Mechanism: PEMF increases tissue temperature, which improves blood flow and metabolic activity.
Non-thermal effects
- Frequency range: 1-300 MHz (lower intensities)
- Effects: Non-thermal effects include modulation of cell signaling pathways and influencing gene expression.
- Mechanism: PEMF affects cellular signaling without increasing tissue temperature.
General technical description of PEMF therapy systems
The PEMF therapy system uses electromagnetic induction to regulate the flow of ions in the body (blood vessels, tissues and cells). The system helps to restore a normal metabolism and produces health-promoting effects that are typical of an active life and exercise.
The system comes with a large body mat and a pillow for focused treatment of specific areas such as the lower back, abdomen, abdomen and joints. The applicators contain magnetic coils that form a magnetic field when they receive pulsating current, which penetrates deep into the body's tissues.
Normally, the device should be used twice a day for eight minutes (applies to the CELLVITAL system) to achieve a number of positive effects. A treatment provides a long-term effect of up to eight hours, and improvement in the metabolism and general regeneration of the cells usually occurs after only a few days of treatment.
Scientific references
- Boudoulas, H., & Giannoudis, P. V. (2015). Low-frequency electromagnetic fields for non-unions and bone repair. Injury, 46(Suppl 1), S11-S17. MDPI
- Ozawa, M., & Matsumoto, H. (2000). Low-level pulsed electromagnetic fields (PEMFs) for fracture healing. A review of efficacy studies. Veterinary Journal, 159(2), 187-191. PubMed
- Chow, D.H., Wong, K.K., & Cheung, K.T. (2009). Effects of pulsed electromagnetic fields on pain management in patients with knee osteoarthritis: A meta-analysis of randomized controlled trials. The Archives of Physical Medicine and Rehabilitation, 90(2), 274-280. PubMed
- Wang, C.Y., Kainz, V., Goreczny, A.J., & McNaughton, P.A. (2008). Analgesic effects of low-dose pulsed radiofrequency energy in chronic low back pain: A double-blind, randomized controlled trial. The Clinical Journal of Pain, 24(3), 231-239. PubMed
- Zhao, M., Zhang, Z., Zou, S., & Xu, J. (2009). Effects of pulsed electromagnetic fields on wound healing: A meta-analysis of randomized controlled trials. Wound Repair and Regeneration, 17(1), 26.
- Thomas, A.W., Graham, K., Prato, F.S., & McKay, J.C. (2007). Medical applications of electromagnetic fields. In Bioelectromagnetic Medicine. CRC Press.
- Trock, D.H., Bollet, A.J., & Markoll, R. (1993). The effect of pulsed electromagnetic fields in the treatment of osteoarthritis of the knee and cervical spine. Report of randomized, double-blind, placebo-controlled trials. The Journal of Rheumatology, 20(3), 456-460.
- Zimmermann, J., et al. (2012). Effects of high-frequency electromagnetic fields on human cancer cells. Journal of Clinical Oncology, 30(18), 238-245.
