If you are searching for alternative treatments for depression, magnetic therapy (or Transcranial Magnetic Stimulation (TMS)) may have sparked your interest. This cutting-edge method is becoming increasingly popular and offers new hope to those looking for relief from depression. Supported by both scientific research and success stories from individuals, this article aims to shed light on how magnetic therapy could serve as a guiding light through the challenges of depression.
Magnetic therapy, such as Transcranial Magnetic Stimulation (TMS), employs magnetic fields to excite nerve cells in the brain, aiming to alleviate symptoms of depression. TMS is often considered for individuals who have not found success with other depression treatment methods. The process involves:
- Positioning a coil that generates brief magnetic pulses near the head
- The coil generates pulses that traverse the skull to stimulate the brain cells involved in mood regulation
- The stimulation is believed to activate areas of the brain showing reduced activity in individuals with depression
By incorporating magnetic therapy into the broader context of depression treatment, we open up new avenues for understanding and addressing this complex condition. While it's not a one-size-fits-all solution, its potential to provide relief where other treatments may not make it a noteworthy consideration for those struggling with depression.
Given the potential value of magnetic therapy and TMS in treating depression, it’s definitely worth exploring it further. Read on to learn about the scientific principles underpinning magnetic therapy, how magnetic therapy can be used in the clinic, and how effective it can be.
Introduction to magnetic therapy
Magnetic therapy can be defined as a form of therapy that applies magnetic fields to the human body to treat disease. It has been in use for centuries to boost peoples’ health and promote healing from several conditions. In today's medical practice, its application through Transcranial Magnetic Stimulation (TMS) represents a great leap in the search for treatments for neurological and psychiatric diseases - but especially depression. TMS uses magnetic fields to stimulate nerve cells in the brain, offering a drug-free approach to alleviating the symptoms of depression.
Magnet therapy has been used therapeutically for centuries, but it was only in the late 20th century that scientists started researching its use as treatment against depression. The development of TMS technology in the 1980s was a turning point in this research, and in 2008, the FDA approved TMS for use in treating MDD. This approval was supported by a huge body of evidence of its effectiveness, particularly in patients where traditional medications for depression had been ineffective, hence a new dawn in the treatment of depression.¹
How does magnetic therapy work?
Foundation in electromagnetic induction
The basis of magnetic therapy for depression with Transcranial Magnetic Stimulation (TMS) is based on a scientific concept known as “electromagnetic induction”. This describes how electric currents can be generated and transferred without the need for any physical contact, and explains how magnetic fields can influence the electrical activity inside the brain.
Targeting key brain regions
TMS targets areas of the brain that are involved in regulating mood and thus contribute to depression, such as the prefrontal cortex. TMS involves exposing the brain to small electrical currents, causing neurons in certain areas to become excited. This excitation can restore the activity of neurons thought to be under-active in depressed individuals back to normal levels.
Modulation of neural activity
The aim of TMS is to modulate activity within the brain. TMS is specifically directed to neural circuits that become inactive or dysfunctional in depression in the hopes of re-establishing their normal function and alleviating the symptoms of depression.
Transcranial magnetic stimulation (TMS) procedure
- Patient setup: Patients sit comfortably during the TMS session, with a chair that ensures both accurate coil placement and patient comfort throughout the procedure
- Coil placement and stimulation: The TMS device's specialized coil, positioned near the patient's head, emits focused magnetic pulses through the skull to the brain's targeted areas. The process is non-invasive and painless, causing no physical discomfort
- Awake and alert treatment sessions: A distinctive feature of TMS is the absence of sedation requirements. Patients remain fully conscious and interactive, minimizing daily life disruption
- Treatment regimen duration: Standard TMS treatment involves daily sessions over four to six weeks, with adjustments based on individual needs and responses to optimize patient outcomes
- Individualized treatment plans: TMS therapy is highly personalized, considering each patient's unique clinical presentation and treatment response. This ensures the most effective treatment regimen for each individual⁴
How effective is TMS?
Evidence and success rates
There is a large and growing body of evidence supporting the efficacy of Transcranial Magnetic Stimulation (TMS) in treating depression. Solid clinical studies and systematic reviews show that TMS is a major relief for treatment-resistant depression. Here is a closer look at the evidence and success rates:
- Robust clinical evidence: a significant number of clinical studies and systematic reviews have confirmed the efficacy of TMS in reducing the symptoms of depression in patients who did not previously respond to traditional treatments
- Focus on treatment-resistant depression: Most TMS trials have focused on treatment-resistant depression, which is usually defined by patients not responding to at least two different antidepressant treatments in adequate doses and duration for the current major depressive episode
- Significant improvement in symptoms: evidence shows that TMS is able to trigger a significant improvement in depressive symptoms measured against standardised depression rating scales, (e.g. the Hamilton Depression Rating Scale (HDRS) and Montgomery-Asberg Depression Rating Scale (MADRS)). Several large meta-analyses have confirmed that TMS has good efficacy in the reduction of symptoms in depression, and a considerable number of patients have experienced clinically meaningful improvements
- Notable success rates: whilst the most exceptional results are seen in patients with treatment-resistant depression, around 50-60% of people show a clinically meaningful response to TMS. This “meaningful response” is most often defined as a 50% or greater reduction in their depressive symptoms on standardised rating scales
- Improved quality of life: the alleviation of depression symptoms significantly improves the quality of life, daily functioning, and well-being of patients
- Full remission: remarkably, roughly one-third of patients treated with TMS for treatment-resistant depression attain full remission, meaning that their symptoms are reduced to a level where they no longer meet the criteria for depression. This is quite a substantive outcome considering the fact that conventional methods have little or no success in these patients
- Ongoing refinement and research: TMS is undergoing constant refinement and research. Studies continue to tell the scientific community who is most likely to benefit from TMS, the best treatment protocols, and how best to incorporate them into an overall plan of care
Comparison with traditional therapies
- TMS offers a unique treatment approach by directly stimulating brain areas involved in mood regulation without the systemic side effects commonly associated with traditional depression treatments
- Compared to electroconvulsive therapy (ECT), TMS is less invasive, does not require anaesthesia, and poses a lower risk of cognitive side effects, making it a preferable option for many
Adverse reactions
- The side effects of TMS are generally mild and include headaches, scalp discomfort at the stimulation site, and lightheadedness. These effects are usually transient and resolve shortly after treatment
- The risk of seizures with TMS is very low, making it a safe option for most patients
That said, the use of TMS may not be suitable for every individual. It is contraindicated in patients with metallic implants in or around their heads (except for dental fillings) and in the presence of certain medical devices.³
TMS continues to be researched, with efforts to enhance its efficacy, shorten protocols, and broaden its applications to other psychiatric and neurological conditions. Studies are also evaluating the long-term benefits of TMS and how it integrates into comprehensive treatment plans.
FAQs
Does magnetic therapy raise any safety concerns?
Whilst magnetic therapy is generally safe under proper professional guidance, you may experience some mild side effects. These include discomfort or headaches at the stimulation site.
How effective is magnetic therapy for depression?
The effectiveness varies, but a significant improvement is reported in those who don't respond to other treatments.
How often would magnetic therapy treatment normally be performed?
Treatment protocols vary, but an average TMS course is 4-6 weeks, with sessions typically 5 times per week.
Will magnetic therapy change my current antidepressant treatment?
While magnetic therapy might be effective, it's crucial to consult with your healthcare provider before altering any treatment program.
Summary
Magnetic therapy via TMS offers hope as an alternative for individuals with depression, particularly for those resistant to traditional therapies. By specifically stimulating parts of the brain, TMS has shown potential in reducing depressive symptoms with minimal side effects. While success rates vary, the potential benefits of magnetic therapy in the fight against depression warrant consideration.
References
- Rizvi, Sukaina, and Ali M. Khan. ‘Use of Transcranial Magnetic Stimulation for Depression’. Cureus. 2019;11(5):e4736. Available from: https://doi.org/10.7759/cureus.4736. Accessed 1 Mar. 2024.
- MD, Adam P. Stern. ‘Transcranial Magnetic Stimulation (TMS): Hope for Stubborn Depression’. [Internet]. [cited Feb 23 2024]. Available from: https://www.health.harvard.edu/blog/transcranial-magnetic-stimulation-for-depression-2018022313335.
- Durham University. Magnet Therapy for Depression Is Available on the NHS – Here’s How It Works - Durham University [Internet]. [cited Mar 1 2024]. Available from: https://www.durham.ac.uk/research/current/thought-leadership/2023/06/magnet-therapy-for-depression-is-available-on-the-nhs--heres-how-it-works/
- Neuromodec. What Is Transcranial Magnetic Stimulation (TMS)? [Internet]. [cited Mar 1 2024]. Available from: https://neuromodec.org/what-is-transcranial-magnetic-stimulation-tms/

