Archive
11 postsWhen biology meets polarity: Toward a unified framework for sex-dependent responses to magnetic polarity in living systems
This narrative review discusses sex-dependent responses to magnetic field polarity and direction in living systems and proposes a unified framework integrating magnetobiology with sex-based physiology. It describes potential interaction mechanisms (e.g., ion channel modulation, radical pair dynamics, ion cyclotron resonance) and notes that some reported outcomes differ by sex depending on polarity. The author suggests that failing to account for polarity and direction could miss relevant health risks and calls for experimental paradigms that treat sex as a key biological variable.
Biological responses to 30 mT static magnetic field in young and 36-month-old rats
This animal study examined subchronic exposure to a 30 mT static magnetic field for 10 weeks in young and 36-month-old rats (n=27). The abstract reports decreased lymphocyte counts and increased NLR in both age groups, with PLR increases limited to young rats and platelet decreases reported in older rats. The authors interpret the findings as age-dependent immune/inflammation modulation, framing potential proinflammatory risk in younger animals and immunosuppressive/stress-related effects in older animals.
This piece does not argue that radiofrequency (RF) electromagnetic fields “cause” any single disease.
An RF Safe commentary argues that persistent, pulsed “non-native” RF electromagnetic noise can disrupt biological “timing coherence,” leading to downstream “fidelity losses,” particularly in electrically active tissues. It also emphasizes that smartphones are adaptive RF systems that change transmit power and modulation, so accessories that detune antennas or distort near-field conditions may cause phones to transmit harder. The piece cites FTC warnings that partial-shield products can be ineffective and may increase emissions by interfering with signal quality, and it argues that material shielding claims do not directly translate to real-world exposure outcomes.
The Evidence Is Now Decisive: Man Made Radiofrequency Fields Can Cause Cancer and Other Serious Biological Harm – And We Finally Know Exactly How
An RF Safe article argues that, as of 2025, evidence is “decisive” that man-made radiofrequency (RF) fields can cause cancer and other biological harm, and that non-thermal mechanisms are now established. It cites animal studies (including NTP and Ramazzini), a 2025 WHO-commissioned systematic review (as described by the author), and proposed mechanisms involving voltage-gated ion channels, oxidative stress, and radical-pair/spin chemistry. The piece calls for updated safety standards that consider modulation and tissue vulnerability, while stating it is “not a call for panic.”
The S4-Mito-Spin framework: The “density gated” aspect is its key novel contribution
RF Safe presents the “S4-Mito-Spin” framework as a hypothesis aiming to unify proposed non-thermal biological effects reported in some EMF studies (e.g., oxidative stress, DNA damage, fertility effects, and tumors in animal models). The article describes a multi-mechanism model involving voltage-gated channel forced oscillation, mitochondrial/NOX amplification to reactive oxygen species bursts, and radical-pair/spin-state effects, with a novel “density-gated” concept to explain tissue-specific and inconsistent findings. It also suggests the framework could connect EMF hazards with therapeutic uses, citing FDA-approved RF devices such as TheraBionic as an example of RF modulation of biology.
Metabolic modulation fits the S4 Timing Fidelity model
RF Safe argues that an acute laboratory finding—reported as increased ad-libitum energy intake after brief 3G handset exposure versus sham—supports its proposed “S4 Timing Fidelity” mechanism for non-thermal RF effects. The post links the behavioral outcome to hypothalamic energy-sensing and autonomic changes via voltage-gated ion channel (VGIC) gating perturbations, and further connects this to mitochondrial/oxidative phosphorylation signaling. It also frames electromagnetic hypersensitivity (EHS) as a sensitivity phenotype and proposes testable predictions involving pulse structure and physiological correlates (e.g., HRV, EEG).
Effects of Polarized Coherent Microwaves Modulated at Extremely Low Frequencies
This review-style text discusses polarized, coherent microwaves that are modulated and pulsed at extremely low frequencies (ELF) and suggests these characteristics may increase biological interactions. It emphasizes that intensity variability and ELF modulation are important for understanding EMF–biology interactions. It also states that such exposures have been linked to health risks in the scientific literature, framing the topic as relevant to EMF safety and public health risk mitigation.
Electromagnetic fields regulate iron metabolism: From mechanisms to applications
This review synthesizes evidence that electromagnetic field (EMF) exposure is associated in the literature with changes in systemic and cellular iron metabolism, with reported effects varying by EMF parameters, exposure duration, and biological context. It proposes mechanistic pathways involving iron-containing proteins/tissues, membrane and ion channel modulation, and reactive oxygen species (ROS). The authors frame iron-metabolism modulation as relevant to both therapeutic applications and safety evaluation, while emphasizing inconsistencies and the need for standardized exposure protocols.
Terahertz Radiation Affects the Dynamics of Neurons by Decreasing Membrane Area Ratio
This study reports that terahertz radiation decreased a neuronal membrane area ratio (cytosol relative to protruding membrane area) beginning on the first day of exposure and persisting during the exposure period. It further reports altered neuronal firing/discharge patterns and increased peak postsynaptic currents associated with the morphology change, supported by a kinetic model. The authors frame the findings as indicating significant effects of terahertz-frequency EMF on neural health and function and suggest potential neuromodulation applications.
Exploring the influence of Schumann resonance and electromagnetic fields on bioelectricity and human health
This review examines links between extremely low-frequency electromagnetic fields, especially the Schumann resonance at ~7.83 Hz, and biological regulation of bioelectricity. It describes proposed mechanisms involving calcium flux modulation and downstream effects on neural activity (including EEG) and circadian rhythms. The article presents both potential benefits from controlled ELF exposures (e.g., therapeutic applications) and potential harms from artificial EMFs disrupting key physiological processes, while emphasizing the need for further research.
Toxicology and carcinogenesis studies in Sprague Dawley (Hsd:Sprague Dawley SD) rats exposed to whole-body radio frequency radiation at a frequency (900 MHz) and modulations (GSM and CDMA) used by cell phones
This National Toxicology Program technical report describes 900 MHz whole-body RFR exposures (GSM and CDMA) in male and female Sprague Dawley rats from in utero through up to 2 years. The report concludes clear evidence of carcinogenic activity in males for both modulations based on malignant schwannoma of the heart, with malignant glioma of the brain also reported as related to exposure. In females, the report concludes equivocal evidence of carcinogenic activity for both modulations based on selected tumor outcomes, and genetic toxicology findings were mixed with some comet assay increases/equivocal results but negative micronucleus assays.