Magnetic Therapy Improved Long COVID Cognitive Function
A small clinical trial found that 15-minute home magnetic therapy sessions boosted memory and focus for adults with long COVID.
Updated on Sept. 30, 2026 in Alzheimer’s
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A randomized, triple-blind study has shown that a non-invasive magnetic headset can improve cognitive function in adults suffering from lingering neurological symptoms after COVID-19. These gains in memory and processing speed persisted for weeks following the four-week treatment program.
Why it matters
As many as 7 percent of Americans face ongoing long COVID symptoms, and this trial suggests a potential avenue for addressing brain fog through non-invasive neuromodulation. The study provides a foundation for future, larger-scale research into whether these methods can offer sustained relief for cognitive impairments.
In a triple-blind randomized trial of 30 adults, participants receiving 15-minute sessions of Microtesla Magnetic Therapy twice weekly for four weeks showed improved working memory, processing speed, and verbal learning compared to those using a sham device.
The players
Mount Sinai
The medical research institution where investigators evaluated the impact of non-invasive magnetic therapy on cognitive health.
The details
The experimental headset utilizes nonthermal radio-frequency low-amplitude magnetic fields to engage in biophysical neuromodulation. Participants self-administered these sessions at home with remote monitoring, reaching an 80% protocol completion threshold. The mechanism aims to counter post-viral neurological dysfunction by targeting brain activity patterns, with no significant device-related adverse events reported.
Timeline
September 22, 2026: The study was published in Brain Communications.
Week 4: The treatment intervention concluded for all participants.
Week 8: Researchers conducted final follow-up assessments to measure sustained cognitive gains.
Health Landscape
This research contributes to the broader effort to identify effective treatments for post-viral neurological symptoms, an area currently lacking standard medical interventions. It marks an early-stage exploration into whether at-home neuromodulation devices can supplement traditional care for cognitive deficits.
If you are managing long COVID symptoms such as brain fog or cognitive decline, this study confirms the importance of discussing persistent neurological challenges with your doctor. While this technology is not yet a standard clinical treatment, it highlights the potential for emerging research in non-invasive brain therapy.
The takeaway
Non-invasive magnetic therapy shows potential for mitigating cognitive difficulties associated with long COVID. If you are experiencing persistent cognitive impairment, talk to your physician about appropriate diagnostic paths and whether any clinical trials for neurological symptoms may be relevant to your case.
Further reading
For more information on the current state of neurocognitive research, visit the Alzheimer’s section.
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Would you trust a home-based experimental medical device to treat your chronic health symptoms?
