Archive

894 posts

Showing results for: rat

The association between time spent outdoors during daylight and mortality among participants of the Adventist Health Study 2 Cohort

Research RF Safe Research Library May 28, 2025

This cohort study examined time spent outdoors during daylight and mortality in 83,205 Adventist Health Study 2 participants followed through 2015. Warmer-month daylight outdoor time showed reverse J-shaped associations with all-cause, CVD, and noncancer non-CVD mortality, with moderate exposure (e.g., 2 hours/day vs…

Towards a Planetary Health Impact Assessment Framework: Exploring Expert Knowledge & Artificial Intelligence for RF-EMF Exposure Case-Study

Research RF Safe Research Library Jan 1, 2025

This paper presents a case study proposing a Planetary Health Impact Assessment (PHIA) framework for RF-EMF exposure from mobile telecommunication technologies using knowledge graphs. Twelve experts co-developed knowledge graphs to visualize potential direct effects on organisms and indirect effects on humans via…

Adverse Effects of Electromagnetic Fields on The Central Nervous System: A Review

Research RF Safe Research Library Jan 1, 2025

This review argues that EMF exposure is associated in the literature with several adverse central nervous system outcomes, including blood-brain barrier disruption, oxidative stress, neurotransmitter changes, cognitive effects, and neurodevelopmental impacts. It reports that evidence on EMFs and brain tumors is…

Human cells response to electromagnetic waves of radio and microwave frequencies

Research RF Safe Research Library Jan 1, 2025

This review discusses how human cells may sense and respond to electromagnetic waves, focusing on radiofrequency and microwave ranges. It reports that the literature shows variable health impacts, with studies citing both potential harms and potential benefits in diagnostics and treatment (including cancer-related…

Is It Time to Reconsider Chronic Electromagnetic Field Exposure as a Possible Risk Factor in Oral Cancer?

Research RF Safe Research Library Jan 1, 2025

This review/technical note discusses whether chronic EMF exposure, mainly from mobile phones and wireless devices, should be reconsidered as a possible risk factor for oral cancer/OSCC. It highlights biological plausibility and reports from pilot cytogenetic and laboratory studies, plus limited epidemiological…

Radio Frequency Exposure in Military Contexts: A Narrative Review of Thermal Effects and Safety Considerations

Research RF Safe Research Library Jan 1, 2025

This narrative review focuses on RF exposure in military contexts, emphasizing thermal effects as the established mechanism of harm and discussing safety limits set by bodies such as ICNIRP and IEEE. It reports that whole-body SAR limits (≤4 W/kg) generally prevent dangerous core temperature rises, but localized…

Effects of paternal 5G RFR exposure on health of male offspring mice

Research RF Safe Research Library Jan 1, 2025

This animal study examined whether paternal exposure to 4.9 GHz (5G) radiofrequency radiation affects male offspring in C57BL/6 mice. It reports increased anxiety-like behavior and reduced sperm quality in adult F1 males from exposed fathers, alongside reported LRGUK hypermethylation and reduced LRGUK expression in…

DNA Damage Analysis in Blood Tissue & Physiopathological Evaluation of the Effect of Quercetin on Kidney Tissue in 2600 MHz EMF Exposure

Research RF Safe Research Library Jan 1, 2025

This rat study assessed 30-day 2600 MHz EMF exposure effects on kidney tissue and DNA damage in blood lymphocytes, with an EMF+quercetin group included. Kidney histopathology and immunohistochemistry were reported as similar across groups, and oxidative stress markers did not significantly change. The EMF-only group…

Alpha-Lipoic Acid Preserves Testicular Integrity Under 2.45 GHz Electromagnetic Radiation by Restoring Redox and Inflammatory Balance

Research RF Safe Research Library Jan 1, 2025

This animal study exposed adult male rats to 2.45 GHz electromagnetic radiation for 2 hours/day for one month and assessed testicular outcomes. The abstract reports that EMR exposure induced oxidative stress, increased inflammatory markers, and caused histological testicular injury. Alpha-lipoic acid supplementation…

Intercomparisons of computed epithelial/absorbed power density & temperature rise in anatomical human face models under localized exposures at 10 & 30 GHz

Research RF Safe Research Library Jan 1, 2025

This dosimetry intercomparison evaluated epithelial/absorbed power density and temperature rise in two high-resolution anatomical human face models under localized antenna exposures at 10 and 30 GHz. The study reports a statistical correlation between spatially averaged absorbed power density and temperature rise…

Development and Testing of a Novel Whole-body Exposure System for Investigative Studies of Radiofrequency Radiation in Rodents (NIEHS)

Research RF Safe Research Library Jan 1, 2025

This NIEHS report describes the development and testing of a flexible whole-body radiofrequency radiation exposure system for rats and mice using updated signals relevant to wireless technologies. In 5-day studies with CDMA- and GSM-modulated signals, no visible behavioral responses were observed and comet assays…

The effects of electrical stimulation on neurons and glia of the central nervous system

Research RF Safe Research Library Jan 1, 2025

This review synthesizes evidence on how direct current and alternating current electrical stimulation affect neurons and glia in the central nervous system, spanning basic research and clinical translation. It reports polarity- and parameter-dependent effects on axonal growth, along with immunomodulatory glial…

Causal relationship between duration of mobile phone use and risk of aneurysmal subarachnoid hemorrhage: A 2-sample Mendelian randomization analysis

Research RF Safe Research Library Jan 1, 2025

This two-sample Mendelian randomization study examined whether duration of mobile phone use is causally related to aneurysmal subarachnoid hemorrhage using large European GWAS datasets. The primary MR analysis reported that excessive duration of mobile phone use was associated with higher aSAH risk, and sensitivity…

Personal radio use and risk of cancers among police officers in Great Britain: Results from the airwave health monitoring study

Research RF Safe Research Library Jan 1, 2025

This prospective cohort analysis from the Airwave Health Monitoring Study evaluated whether occupational personal radio (TETRA) use is associated with cancer risk among 48,457 police officers and staff. Over a median 11 years of follow-up, the study reports no association with all cancers or with head/neck/CNS…

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…

Definition and Validation of an Exposure Measurement Method for a Typical Load of a Base Station

Research RF Safe Research Library Jan 1, 2025

This exposure-assessment study proposes and validates a method to measure instantaneous RF exposure under typical base station load by generating defined data rates (low/medium/high) using iPerf and measuring channel power across services. Validation at four base stations suggests the approach is reliable across…

NTP Lite: The Japan-Korea Collaborative RF Exposure Toxicity Project [Health Matters]

Research RF Safe Research Library Jan 1, 2025

This magazine article reviews the Japan-Korea "NTP Lite" RF animal toxicity collaboration and its relationship to prior NTP (2018) and Ramazzini Institute reports of RF-associated tumors in male rats. It notes NTP Lite used a single whole-body SAR of 4 W/kg and completed a two-year exposure phase in 2022, but final…

Acoustic Pressures in the Head From Pulsed Microwaves: Can They Explain "Anomalous" Health Incidents? (Havana syndrome)

Research RF Safe Research Library Jan 1, 2025

This article reviews the microwave auditory effect (perceived clicks/buzzing) that can occur when the head is exposed to pulsed microwave energy, such as from radar. It explores whether this phenomenon could plausibly explain reported “anomalous health incidents” (Havana syndrome), noting that experts and formal…

Assessment of Electromagnetic Field Exposure from Multiple Sources Simultaneously in the High- Frequency Range Based on Safety Standards

Research RF Safe Research Library Jan 1, 2025

This conference paper proposes a method to assess combined EMF exposure from multiple simultaneous high-frequency sources using a normalized exposure ratio based on ICNIRP 2020 guidelines. It emphasizes a current gap in standardized absorbed power density (Sab) measurement above 10 GHz and proposes incident power…

Model Variability in Assessment of Human Exposure to Radiofrequency Fields

Research RF Safe Research Library Jan 1, 2025

This review examines how variability in computational dosimetry models affects assessment of human RF exposure from MHz to terahertz frequencies, focusing on SAR, absorbed power density, and temperature rise. It reports that anatomical scaling and model choices can drive meaningful differences in predicted SAR…

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…

From adults to offspring: Wi-Fi RF-EMR exposure in adult zebrafish impairs reproduction and transgenerationally effects development and behavior of progeny

Research RF Safe Research Library Jan 1, 2025

This animal study examined Wi-Fi RF-EMR exposure in adult zebrafish (4 hours/day for 30 days) and assessed reproductive tissues and offspring outcomes. The abstract reports testicular and ovarian histopathological abnormalities in exposed adults. Offspring from exposed parents, maintained under EMF-free conditions,…

Modeling the interplay between myelin architecture and local electromagnetic fields

Research RF Safe Research Library Jan 1, 2025

This engineering/modeling study developed a 3D myelin microstructure model using finite element analysis and high-resolution imaging to simulate local electromagnetic field distributions. It reports that myelin architecture substantially shapes the distribution of electromagnetic fields across neural tissues. The…

Electrical oscillations in microtubules

Research RF Safe Research Library Jan 1, 2025

This study introduces a multi-scale electrokinetic model to characterize electrical impulses and ionic current propagation along microtubules, incorporating atomistic protein details and biological environments. It emphasizes nanopore-mediated coupling between microtubule surfaces as a key mechanism enabling luminal…

Role of visual and non-visual opsins in blue light-induced neurodegeneration in Drosophila melanogaster

Research RF Safe Research Library Jan 1, 2025

This animal study used Drosophila knockout lines to examine whether visual (Rh1) versus non-visual (Rh7) opsins contribute to blue-light-associated neural damage. Flies were continuously exposed to 488 nm blue light from egg deposition to 20 days, and brain DNA damage and vacuolisation were assessed. The study…

← Prev Page 7 / 36 Next →