Blushield EMF Protection Device: New Study Shows Promising Results for Sleep, Cognitive Function & Stress Response

Wireless routers, smartphones, Bluetooth, smart meters...modern life is saturated with electromagnetic frequencies (EMFs). One of the most common forms is radiofrequency (RF) radiation, emitted by nearly all wireless technologies. While considered non-ionising and low-energy, growing evidence suggests chronic RF exposure may impact sleep, mood, inflammation, and overall health.

The World Health Organization classifies RF radiation as a Group 2B possible carcinogen, and studies have linked it to oxidative stress and biological disruption through mechanisms like voltage-gated calcium channel (VGCC) activation.

For many, conventional EMF shielding isn’t practical. That’s where Blushield, a resonance-based EMF protection device, may offer a new approach by supporting the body’s natural balance instead of trying to block exposure.

Exploring New Ground: The Study

In 2024, a team of researchers from the University of Maryland School of Medicine, Altum Medical, TruDiagnostic, and OvationLab conducted a pilot and feasibility study on the Blushield EMF protection device. The aim? To explore whether this plug-in technology, designed to emit coherent resonance patterns, could support human health in a high-EMF world.

Over a 12-week period, 25 relatively healthy adults used Blushield at home and during travel. Researchers collected a wide range of biological and subjective health markers both before and after the trial.

Measurements included:

  • Standard lab panels (CBC & CMP)
  • Biomarkers for inflammation, oxidative stress, DNA damage, and cellular aging
  • High-resolution DNA methylation data
  • Cognitive function testing (CNS - Vital Signs)
  • Sleep and recovery metrics from the Oura Ring
  • A one-question self-assessment of overall health

Key Outcomes: What Changed?

While this was a single-arm study (no placebo or control group), the results were promising:

  • Full compliance and zero adverse events, indicating the device is safe and easy to use.
  • Self-reported improvements in overall health (P = .02).
  • Enhanced cognitive performance across memory, executive function, flexibility, and processing speed (P < .02).
  • Better sleep and physiological balance, with gains in deep sleep, heart rate variability, and resting heart rate (P < .04).
  • Subtle lab changes, including lower glucose and higher monocyte counts (P < .04).

Most notably, the researchers observed hypermethylation of genes associated with RF exposure, including CACNA1G, a gene involved in the regulation of voltage-gated calcium channels (VGCCs). These channels help control calcium flow into cells, which is essential for a healthy nervous system and cellular function. However, RF radiation has been shown to overstimulate VGCCs, potentially triggering oxidative stress and inflammation. The observed gene changes may reflect the body’s attempt to recalibrate and protect itself—a possible adaptive response to EMF-related stress.

Layering EMF Protection with Purpose

This early-stage research reinforces what many wellness seekers have long intuited: our bodies are sensitive to the environments we live in. And while reducing EMF exposure (like turning off Wi-Fi at night, using ethernet instead of wireless, or minimising device use during sleep) is always a wise first step, it isn't always realistic or enough on its own.

Blushield may offer a valuable layer of support in situations where exposure is unavoidable. People living in high-density urban areas, near cell towers, or with occupational RF exposure may find it especially beneficial.

Many wellness seekers love pairing Blushield with earthing sheets to create a deeper sense of harmony in the body. Together, they may help soothe the nervous system, support healthy cortisol levels, and gently restore circadian rhythms—often disrupted by everyday EMF exposure.

In Tune with Modern Wellness

At Earthing Oz, we’ve long believed that wellness isn’t about doing more, it’s about realignment. Living in rhythm with the Earth, even in a digitally saturated world, allows the body to return to its natural state of balance. Over the years, we’ve heard from so many of you who’ve welcomed Blushield into your daily lives and experienced tangible shifts: more restful sleep, clearer thinking, improved immune response steadier energy.

This new research adds another layer of validation to what our community has already felt: Blushield may help the body adapt in a world where invisible stressors are part of everyday life.

In a time of rapid change, it's encouraging to see solutions that support simplicity, resilience and harmony.

Need Help?

Discover the Blushield device most suited to your situation or check out our most frequently asked questions in relation to these products.

If you have any questions at all, please don't hesitate to reach out to our friendly customer service team on 1300 832 326.