The Effect of High-Voltage Power Lines on Magnetic Orientation of Domestic Dogs
Research
RF Safe Research Library
Jan 1, 2025
This animal behavioral study observed 36 domestic dogs to assess whether magnetic fields from high-voltage power lines influence dogs' geomagnetic alignment behavior. Dogs showed bimodal alignment under control conditions and under north-south oriented power lines, but alignment became trimodal under east-west…
No Measurable Impact of Acute 26 GHz 5G Exposure on Salivary Stress Markers in Healthy Adults
Research
RF Safe Research Library
Jan 1, 2025
This triple-blind randomized study tested whether 26.5 minutes of 26 GHz (5G) RF exposure at environmental-like levels alters salivary stress biomarkers in healthy adults. Salivary cortisol and alpha-amylase measured before, during, and after exposure did not differ between real and sham conditions. An exploratory…
Time-Dependence Effect of 2.45 GHz RF-EMR Exposure on Male Reproductive Hormones and LHCGR
Research
RF Safe Research Library
Jan 1, 2025
This animal study exposed male Sprague Dawley rats to 2.45 GHz Wi-Fi for varying daily durations over eight weeks and assessed reproductive hormones and LHCGR expression. Serum LH and testosterone did not differ significantly from controls, but LHCGR mRNA increased with longer exposure and LHCGR protein showed…
Effects of Simultaneous In-Vitro Exposure to 5G-Modulated 3.5 GHz and GSM-Modulated 1.8 GHz Radio-Frequency Electromagnetic Fields on Neuronal Network Electrical Activity and Cellular Stress in Skin Fibroblast Cells
Research
RF Safe Research Library
Jan 1, 2025
This in-vitro study exposed primary cortical neurons and human immortalized skin fibroblasts to simultaneous 5G-modulated 3.5 GHz and GSM-modulated 1.8 GHz RF-EMF at SARs of 1 or 4 W/kg. It reports no significant changes in neuronal network firing/bursting activity and no alteration of mitochondrial ROS in…
Prolonged 3.5 GHz and 24 GHz RF-EMF Exposure Alters Testicular Immune Balance, Apoptotic Gene Expression, and Sperm Function in Rats
Research
RF Safe Research Library
Jan 1, 2025
This rat study examined 60-day RF-EMF exposure at 3.5 GHz and 24 GHz for 1 or 7 hours per day and assessed testicular cytokines, apoptosis-related gene expression, and sperm quality. The authors report changes consistent with altered immune signaling and pro-apoptotic pathways, alongside reduced sperm parameters…
The effect of Wi-Fi on elastic and collagen fibres in the blood vessel wall of the chorioallantoic membrane
Research
RF Safe Research Library
Jan 1, 2025
This animal experimental study exposed chicken embryos (CAM) continuously to 2.4 GHz Wi-Fi at an average power density of 300 μW/m2 for 9 or 14 embryonic days. H&E staining reportedly showed no significant structural differences in large vessel walls versus controls. However, special staining reported decreased…
Microwave and RF Exposure-Induced Molecular and Genetic Alterations
Research
RF Safe Research Library
Jan 1, 2025
This review discusses recent studies on microwave and RF exposure and their reported impacts on molecular and cytogenetic materials. It states there is growing evidence that RF exposure can induce DNA damage at levels considered safe by current standards, and cites newly reported genetic alterations in rat cancers…
Associations between Individual and Geospatial Characteristics and Power of 4G Signals Received by Mobile Phones
Research
RF Safe Research Library
Jan 1, 2025
This exposure assessment study analyzed smartphone-logged 4G LTE RSSI and GPS data from adults in France to identify determinants of downlink signal strength. RSSI varied with geospatial factors (distance to antennas, antenna density, urbanicity) and time of day, and was also influenced by technical smartphone…
Altered development in rodent brain cells after 900 MHz radiofrequency exposure
Research
RF Safe Research Library
Jan 1, 2025
This animal and in vitro study examined non-thermal 900 MHz RF-EMF exposure during prenatal and postnatal development at 0.08 and 0.4 W/kg SAR. The authors report changes consistent with altered neurodevelopment, including reduced BDNF, reduced in vivo cell proliferation, and disrupted synaptic balance in rat pup…
Looking for Biomarkers Which May Explain Idiopathic Environmental Intolerance Attributed to EMF (IEI-EMF): Does RF-EMF Exposure Influence Salivary Cortisol Response?
Research
RF Safe Research Library
Jan 1, 2025
This randomized, double-blind, counterbalanced provocation study tested whether short-term RF-EMF exposure alters salivary cortisol in 72 predominantly young, healthy adults. Active exposure (2 W/kg peak SAR10g in head) showed no significant effect on cortisol compared with sham, and no sex differences were observed.…
A Prolonged exposure to Wi-Fi Radiation Induces Neurobehavioral Changes and Oxidative Stress in Adult Zebrafish
Research
RF Safe Research Library
Jan 1, 2025
This animal study exposed adult zebrafish to 2.45 GHz Wi‑Fi radiation for 4 hours daily over 30 consecutive days. The authors report neurobehavioral impairments with altered locomotion, alongside decreased acetylcholinesterase and increased brain oxidative stress. They conclude these findings indicate a safety risk…
Protective effects of quercetin against 3.5 GHz RF radiation-induced thyroid dysfunction and oxidative stress in rats
Research
RF Safe Research Library
Jan 1, 2025
This rat study examined repeated 3.5 GHz RF exposure (2 hours/day, 5 days/week for 30 days) and thyroid-related outcomes, with and without quercetin. The abstract reports altered thyroid hormones (lower T3/T4, higher TSH) and increased oxidative stress in thyroid tissue after RF exposure. Quercetin appeared partially…
Human achromatic flickers and phosphenes thresholds under extremely low frequency electric stimulations
Research
RF Safe Research Library
Jan 1, 2025
This study estimated thresholds and locus for human phosphene perception during non-invasive transcranial alternating current stimulation at 20, 50, 60, and 100 Hz. Perception depended significantly on stimulation intensity, with the lowest threshold at 20 Hz and no reported phosphenes at 100 Hz. The authors report…
5G-exposed human skin cells do not respond with altered gene expression and methylation profiles
Research
RF Safe Research Library
Jan 1, 2025
This in vitro study exposed human skin cells (fibroblasts and keratinocytes) to 5G-band electromagnetic fields for 2 hours and 48 hours using a fully blinded design. Exposures were up to ten times permissible limits, with sham exposure as a negative control and UV exposure as a positive control. The study reports…
Potential Impacts of Radiofrequency Electromagnetic Fields on the Central Nervous System, Brain Neurotransmitter Dynamics and Reproductive System
Research
RF Safe Research Library
Jan 1, 2025
This review discusses potential impacts of radiofrequency electromagnetic fields from technologies such as Wi‑Fi and mobile phones on the central nervous system, neurotransmitter dynamics, and reproductive health. It describes proposed mechanisms including oxidative stress, thermal effects, altered neurotransmitter…
Effects of non-ionizing radiation on the thyroid gland in rats
Research
RF Safe Research Library
Jan 1, 2025
This animal study exposed Sprague-Dawley rats (including pregnant females and offspring) to 2.45 GHz Wi-Fi or mobile jammer radiation for 2 hours daily over two weeks and assessed thyroid hormones and thyroid histology. The abstract reports significant changes in T4 in exposed adult males and significant differences…
Terahertz Radiation Affects the Dynamics of Neurons by Decreasing Membrane Area Ratio
Research
RF Safe Research Library
Jan 1, 2025
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…
Effect of short-term extremely low-frequency electromagnetic field on respiratory functions
Research
RF Safe Research Library
Jan 1, 2025
This animal study tested whether short-term ELF-EMF exposure alters respiratory physiology in rats. Twenty Wistar albino rats were assigned to control or EMF exposure (50 Hz, 0.3 mT for 2 minutes) with respiratory parameters measured before, during, and after exposure. The study reports changes during exposure (lower…
Determining the relationship between mobile phone network signal strength and RF-EMF exposure: protocol and pilot study to derive conversion functions
Research
RF Safe Research Library
Jan 1, 2025
This protocol and pilot study evaluated whether smartphone signal strength indicators can be converted into RF-EMF exposure estimates using derived formulas and regression models. The study reports a positive log-linear association between LTE RSSI and far-field (base station) exposure aggregated by location, while…
The effect on rat peripheral nerve morphology and function of a 900-MHz electromagnetic field applied in the prenatal period
Research
RF Safe Research Library
Jan 1, 2025
This animal study exposed pregnant Sprague Dawley rats to a 900 MHz electromagnetic field for 1 hour daily throughout gestation and assessed offspring outcomes postnatally. Sciatic nerve analyses at postnatal day 60 indicated persistent morphological alterations attributed to prenatal EMF exposure. However, the…
Effects of 700MHz radiofrequency radiation (5G lower band) on the reproductive parameters of female Wistar rats
Research
RF Safe Research Library
Jan 1, 2025
This animal study examined short- and long-term 700 MHz (lower-band 5G) radiofrequency exposure in female Wistar rats, comparing control, sham, and exposed groups. It reports no DNA damage and no change in estrous cycle length, but increased ovarian oxidative stress markers in exposed animals. Long-term exposure was…
Possible effects of RF EMR on contextual fear conditioning, hippocampal perivascular space, apoptosis and adrenal gland microarchitecture in rats
Research
RF Safe Research Library
Jan 1, 2025
This animal study exposed male Wistar rats to 900 MHz RF-EMR from a mobile phone for 1 hour daily over four weeks and assessed behavior and tissue changes. The authors report altered contextual fear conditioning-related behavior in exposed rats. Histological assessments indicated apoptosis and enlarged perivascular…
Effect of electromagnetic field radiation on transcriptomic profile and DNA methylation level in pig conceptuses during the peri-implantation period
Research
RF Safe Research Library
Jan 1, 2025
This in vitro study exposed pig conceptuses (days 15–16 of pregnancy) to 50 Hz ELF-EMF for 2 hours and assessed transcriptomic and DNA methylation changes. The authors report altered expression of 21 protein-coding transcripts and an approximately 16-fold increase in genomic DNA methylation, with promoter methylation…
The Effect of Proximity Sensor & Grip Sensor Use on Specific Absorption Rate (SAR) in Smartphones
Research
RF Safe Research Library
Jan 1, 2025
This engineering study examined how smartphone proximity and grip sensors affect SAR during LTE and 5G NR operation in a 3D measurement environment. The abstract reports that enabling these sensors reduces SAR relative to being turned off, with reductions varying by sensor and frequency. The authors attribute the…
Repeated Head Exposures to a 5G-3.5 GHz Signal Do Not Alter Behavior but Modify Intracortical Gene Expression in Adult Male Mice
Research
RF Safe Research Library
Jan 1, 2025
This animal study examined repeated asymmetrical head exposure to a 5G-modulated 3.5 GHz signal in adult male mice for six weeks. It reports no significant changes in locomotion, anxiety, or object-based memory performance under the tested conditions. However, it found statistically significant but limited cortical…