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66 postsHistomorphometric study of thyroid tissue in juvenile rats exposed to 5G electromagnetic fields
This animal study examined thyroid histomorphometry in juvenile male Wistar rats after 2 weeks of 5G EMF exposure (3.5 GHz, 1.5 V/m). Exposed rats showed larger follicle and colloid areas and a significantly lower Thyroid Activation Index, which the authors interpret as thyroid hypoactivity. The authors suggest this may represent a potential health risk and call for further work including hormone assays and mechanistic studies.
The influence of Wi-Fi on the mesonephros in the 9-day-old chicken embryo
This animal study examined continual 2.4 GHz Wi‑Fi exposure (200–500 μW/m²) during 9 days of chicken embryo incubation and assessed the mesonephros at day 9. The authors report no adverse effects on general mesonephros development, but describe moderate degenerative changes and vascular congestion without inflammatory infiltrate. They also report significantly increased apoptotic and proliferating cells and up-regulation of caspase‑1 gene expression, interpreted as disruption of regulatory processes during development.
A comprehensive mechanism of biological and health effects of anthropogenic extremely low frequency and wireless communication electromagnetic fields
This narrative review discusses biological mechanisms and reported health effects of anthropogenic extremely low frequency (ELF) and wireless communication (WC) electromagnetic fields. It highlights oxidative stress and DNA damage as key mechanistic endpoints and proposes an IFO-VGIC pathway linking EMF exposure to ROS overproduction and cellular dysfunction. The authors interpret the broader literature as indicating risks (e.g., cancer, infertility, EHS) even below current exposure limits and advocate precautionary policy measures, including stricter limits and a 5G moratorium.
Skin Fibroblasts from Individuals Self-Diagnosed as Electrosensitive Reveal Two Distinct Subsets with Delayed Nucleoshuttling of the ATM Protein in Common
This study reports on 26 adults self-diagnosed with electromagnetic hypersensitivity (EHS) who provided skin biopsies to generate primary fibroblast lines. The authors describe two EHS subsets based on questionnaire and DNA damage-related measures, and report delayed ATM nucleoshuttling after X-ray exposure in all samples, interpreted as impaired DNA repair signaling. They propose a molecular model linking EHS to ATM pathway dysfunction and suggest this could relate to increased cancer risk or accelerated aging.
Exposure Perception and Symptom Reporting in Idiopathic Environmental Intolerance Attributed to Electromagnetic Fields Using a Co-Designed Provocation Test
This co-designed provocation study in IEI-EMF volunteers evaluated whether perceived exposure and symptom reporting tracked actual EMF exposure under double-blind conditions. The abstract reports no consistent alignment between perceived exposure certainty or symptoms and true exposure status at the group level, with limited individual exceptions. Symptom reporting was related to certainty of being exposed for about half of participants, which the authors interpret as supporting a nocebo-type mechanism and motivating refinement of provocation protocols.
Active matter as the underpinning agency for extraordinary sensitivity of biological membranes to electric fields
This biophysics paper presents a nonequilibrium (active matter) statistical mechanics model for electromechanical biological membranes. It argues that energy-driven activity in membranes could enable detection of electric fields far below equilibrium thermal-noise limits, and reports that the model can reproduce experimental observations by tuning activity. The abstract frames this as a potential mechanistic link between weak electromagnetic fields and biological responses, while also noting future modeling directions and possible implications for exposure safety discussions.
Efficient design of electromagnetic field exposure maps with multi-method evolutionary ensembles
This engineering/methods study proposes an evolutionary computation approach (PCRO-SL) to optimize the selection of measurement points for constructing RF-EMF exposure maps. Tested on real measurements in Meco (Madrid, Spain), it reports good agreement with a reference exposure map while reducing required sampling density. The authors provide practical point-selection rules (e.g., line-of-sight within 250 m and directional sampling within 500 m) intended to maintain representativeness and avoid interpolation artifacts.
Magnetoreception and the ruling hypothesis
This article is a commentary on how emotions and community dynamics can bias scientific reasoning when a favored hypothesis becomes a "ruling hypothesis." Using animal magnetoreception as an example, it argues that radical-pair/cryptochrome-centered frameworks may sometimes be treated as dominant, potentially leading to selective interpretation of evidence. The authors call for separating individual intent from community-wide bias and offer recommendations to mitigate these risks.
Could electrohypersensitivity be a specific form of high sensory processing sensitivity?
This cross-sectional questionnaire study (n=100) examined whether electrohypersensitivity (EHS) overlaps with high sensory processing sensitivity (HSPS). A higher proportion of HSPS was observed among those reporting EHS symptoms, alongside significant differences in anxiety/depression symptomatology and EMF-related risk perception and avoidance strategies. The authors interpret the results as supporting an association between EHS and HSPS, while noting that this does not establish whether EM radiation directly causes EHS symptoms.
5G Radiofrequency Exposure Reduces PRDM16 and C/EBP � mRNA Expression, Two Key Biomarkers for Brown Adipogenesis
This animal study exposed juvenile and young adult Wistar rats to 5G (3.5 GHz) or 2G (900 MHz) radiofrequency fields (1.5 V/m) for 1–2 weeks and measured brown adipose tissue-related gene expression by RT-qPCR. The abstract reports significant downregulation of PRDM16 and C/EBP mRNA after 5G exposure, while UCP1-dependent thermogenesis markers were not significantly changed at the transcriptional level. The authors interpret these findings as a potential partial disruption of brown adipocyte differentiation and raise EMF safety concerns, while calling for further confirmatory research.
Histomorphometry and Sperm Quality in Male Rats Exposed to 2.45 GHz Wi-Fi
This animal study exposed adult male rats to 2.45 GHz Wi‑Fi from an active router for 4 or 24 hours daily over eight weeks and assessed reproductive organ histology and sperm parameters. The authors report histological changes in testes and epididymis, multifocal atypical hyperplasia in seminal vesicles, reduced seminiferous tubule diameter, and reduced spermatogenesis index in exposed groups. Sperm concentration decreased in both exposed groups, motility decreased in the 4-hour group, and viability increased in the 24-hour group, leading to an overall interpretation of potential reproductive risk under the studied conditions.
Experimental Study of Animal Behavior under the Influence of the Electromagnetic Field of the 5G Mobile Communication Standard
This pilot animal study exposed mature male Wistar rats to 4.9 GHz electromagnetic fields described as 5G-standard, for 15 days (2 hours/day) in a semi-anechoic shielded chamber. Open-field testing found no clear behavioral differences between unmodulated and modulated exposures. Statistically significant behavioral changes occurred in both exposed and control animals, which the authors attribute to changes in the environmental electromagnetic background, making causal interpretation uncertain.
Mitigating Heat-Induced Sperm Damage and Testicular Tissue Abnormalities: The Protective Role of Radiofrequency Radiation from Wi-Fi Routers in Rodent Models
This rodent study examined whether 2.45 GHz Wi‑Fi router RF-EMF exposure could mitigate heat-stress-related reproductive damage in male rats. The combined RF-EMF + heat group reportedly had improved testicular structure measures and sperm quality versus heat-only, while RF-EMF alone was also reported to alter testis and sperm parameters. The authors interpret the findings as potentially consistent with an adaptive response and call for more research on mechanisms and safety.
The Systematic Review on RF-EMF Exposure and Cancer by Karipidis et al. (2024) has Serious Flaws that Undermine the Validity of the Study's Conclusions
This letter critiques the WHO-sponsored systematic review by Karipidis et al. (2024) on RF-EMF exposure and cancer risk. The authors argue the review has serious methodological and interpretative flaws, including issues with study selection and data analysis. They contend that the review’s conclusion of "no clear evidence" may be misleading and should not be used as a basis for health policy or safety guidelines.
Effects of radiofrequency radiation exposure on blood-brain barrier permeability in male and female rats
This rat study tested whether acute exposure to 0.9 and 1.8 GHz continuous-wave radiofrequency radiation alters blood-brain barrier permeability. Using Evans-blue/albumin as a tracer, the authors report no BBB leakage in exposed female rats but a significant increase in albumin in exposed male rat brains versus sham. The authors interpret this as suggesting BBB/vascular permeability changes in males at SAR levels stated to be below international limits.
The effects of microwave emitted by cellular phones on ovarian follicles in rats
This animal study examined whether prenatal exposure to mobile phone microwaves affects ovarian development in rats. Pregnant rats were exposed to a phone placed under the cage throughout pregnancy, with mostly standby exposure and brief periodic speech-mode exposure. Female pups assessed at 21 days had fewer ovarian follicles in the exposed group than in controls, which the authors interpret as a toxic effect on ovaries.