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Showing results for: cohort study

Non‑Thermal RF Biological Effects Are Real—And Thermal‑Only Safety Standards Don’t Address Them

Research Effect Synthesis Mar 9, 2026

Synthesis of 14 curated RF-EMF papers: high-certainty animal cancer signals (male rat heart schwannomas, glioma), high-certainty male fertility impacts, and strong oxidative-stress mechanisms below heating thresholds—…

Non‑Thermal RF Biological Effects Are Documented—Thermal‑Only Wireless Safety Standards Are Not Scientifically Adequate

Research Effect Synthesis Mar 6, 2026

Synthesis of 13 curated studies (2006–2025) showing non-thermal RF effects—oxidative stress, fertility impacts, and animal tumor evidence—plus regulatory gaps. Conclusion: thermal-only RF limits are incomplete; precau…

Non‑Thermal RF Biological Effects Are Documented—Thermal‑Only Wireless Safety Standards Are Scientifically Incomplete

Research Effect Synthesis Mar 1, 2026

Synthesis of 13 curated studies finds consistent non-thermal RF biological effects (oxidative stress, fertility impacts, animal cancer signals) and major regulatory gaps, supporting precautionary policy beyond thermal…

Non‑Thermal RF Biological Effects Are Documented—Thermal‑Only Safety Limits Are Not a Complete Health Standard

Research Effect Synthesis Mar 1, 2026

Synthesis of 11 curated studies finds consistent evidence for non-thermal RF biological effects (oxidative stress, fertility impacts, and animal cancer signals) plus higher pediatric absorption—showing thermal-only RF…

Non‑Thermal RF Bioeffects Are Documented: Cancer and Reproductive Harms Undermine Heat‑Only Safety Standards

Research Effect Synthesis Mar 1, 2026

Synthesis of 8 curated studies (2018–2025) showing non-thermal RF biological effects: high-certainty animal cancer evidence, high-certainty male fertility impacts, pregnancy associations, and child-specific absorption…

Non‑Thermal RF Biological Effects: Cancer Signals in Long‑Term Bioassays and Reproductive/Developmental Harm Below Heating Thresholds

Research Effect Synthesis Mar 1, 2026

Evidence synthesis of 13 curated EMF/RF studies: high‑certainty animal cancer signals (glioma, heart schwannoma), high‑certainty male fertility impacts, and developmental/reproductive findings at low SAR—showing therm…

Non‑Thermal EMF Harm Signals (Moderate Evidence): Reproductive DNA Damage, Pregnancy Risk, Tumor Relevance, and Ecological Disruption

Research Effect Synthesis Mar 1, 2026

Synthesis of 13 moderate-evidence harm papers: 5G-band RF increased sperm DNA fragmentation in vitro; pregnancy cohort linked call time to miscarriage and growth outcomes; lifetime RFR tumor genetics support translati…

Long-term residential magnetic field exposure and neurodegenerative disease mortality: An 18-year nationwide cohort study in Switzerland

Research RF Safe Research Library Feb 11, 2026

This 18-year nationwide Swiss cohort study modelled long-term residential ELF magnetic field exposure from high-voltage power lines (50 Hz) and railway lines (16.7 Hz) and examined neurodegenerative disease mortality. High-voltage power line exposure was associated with higher mortality from Alzheimer's disease and…

Risk factors for suboptimal target attainment of commonly used ß-lactam antibiotics in older adults: a prospective cohort study.

Research RF Safe Research Library Jan 1, 2026

This prospective observational pharmacokinetic study in geriatric inpatients (≥75 years) assessed whether standard IV dosing of amoxicillin-clavulanate and piperacillin-tazobactam achieved a 100% fT>MIC target. Target attainment was lower for amoxicillin-clavulanate than for piperacillin-tazobactam in this cohort.…

Risk–benefit balance of habitual ultraviolet exposure for cardiovascular, cancer, and skin cancer mortality: UK Biobank cohort study

Research RF Safe Research Library Jan 1, 2026

This prospective UK Biobank cohort study assessed habitual ultraviolet exposure using a multidimensional Sun-BEEM score and related it to cause-specific mortality and disease incidence. Medium and high UV exposure were associated with lower all-cause, cardiovascular, and non-skin cancer mortality compared with low…

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…

A Cohort Study on Alzheimer's Disease in Relation to Residential Magnetic Fields From Indoor Transformer Stations

Research RF Safe Research Library Jan 1, 2025

This cohort study evaluated Alzheimer's disease incidence in relation to residential extremely low frequency magnetic fields from indoor transformer stations, using apartment location as an exposure proxy. No significant association was observed between living next to transformer stations and Alzheimer's disease risk…

Radiofrequency Electromagnetic Field Emissions and Neurodevelopmental Outcomes in Infants: A Prospective Cohort Study

Research RF Safe Research Library Jan 1, 2025

This prospective cohort study followed 105 neonates/infants for one year and measured household RF-EMF using a selective radiation meter, categorizing exposure into tertiles. Higher household RF-EMF exposure was associated with lower ASQ-3 neurodevelopmental scores, particularly in motor and problem-solving domains,…

The association of widely used electromagnetic waves exposure and pregnancy and birth outcomes in Yazd women: a cohort study

Research RF Safe Research Library Jan 1, 2025

This cohort study of 1,666 women in Yazd City examined electromagnetic-wave exposure from commonly used devices during pregnancy and birth outcomes. Longer cell phone call duration during pregnancy was reported to be associated with higher risk of miscarriage, abnormal birth weight, and abnormal newborn height.…

Chicken or egg? Attribution hypothesis and nocebo hypothesis to explain somatization associated to perceived RF-EMF exposure

Research RF Safe Research Library Jan 1, 2025

This longitudinal cohort study examined the temporal relationship between somatization and perceived RF-EMF exposure, comparing the attribution hypothesis with the nocebo hypothesis. Using AMIGO questionnaire data from 2011 and 2015, regression analyses suggested the attribution hypothesis more often explained…

Prospective cohort study on non-specific symptoms, cognitive, behavioral, sleep and mental health in relation to electronic media use and transportation noise among adolescents (HERMES): study protocol

Research RF Safe Research Library Jan 1, 2024

This protocol describes the third wave of the HERMES prospective adolescent cohort in Switzerland, with follow-up every four months and at one year. The study will assess electronic media use, modeled RF-EMF and transportation noise exposures, and a range of outcomes including cognition, behavior, sleep, mental…

Higher ultraviolet light exposure is associated with lower mortality: An analysis of data from the UK biobank cohort study

Research RF Safe Research Library Jan 1, 2024

This cohort analysis examined associations between two ultraviolet (UV) exposure measures (solarium use and residential shortwave radiation) and mortality in older UK Biobank participants. Both UV exposure measures were reported to be inversely associated with all-cause, cardiovascular, and cancer mortality, and…

Modeled and perceived RF-EMF, noise and air pollution and symptoms in a population cohort. Is perception key in predicting symptoms?

Research RF Safe Research Library Jan 1, 2018

This cohort study compared modeled residential RF-EMF, noise, and air pollution exposures with participants’ perceived exposure levels and self-reported symptoms. Correlations between modeled and perceived exposure were moderate for air pollution and noise but low for RF-EMF. Perceived exposure was consistently…

Pulsed radiofrequency in clinical practice - A retrospective analysis of 238 patients with chronic non-cancer pain treated at an academic tertiary pain centre.

Research RF Safe Research Library Jan 1, 2016

This retrospective cohort study reviewed medical records from a Swedish tertiary pain centre to assess 1-month outcomes after pulsed radiofrequency for chronic non-cancer pain. Among patients receiving lumbar median branch pulsed radiofrequency, a minority had major or minor improvement, while many had no change and…

The Effects of Exposure to Low Frequency Electromagnetic Fields in the Treatment of Migraine Headache: A Cohort Study.

Research RF Safe Research Library Jan 1, 2016

This cohort study followed 114 migraine patients and assessed self-reported use of mobile phones, Wi-Fi devices, and fixed-line telephones as RF-EMF sources. Over a 3-month period, migraine frequency and severity were reported as significantly correlated with higher mobile phone and Wi-Fi use, while fixed-line…

Cardiac magnetic resonance radiofrequency tissue tagging for diagnosis of constrictive pericarditis: A proof of concept study.

Research RF Safe Research Library Jan 1, 2016

This proof-of-concept cohort study evaluated cardiac magnetic resonance (CMR) radiofrequency tissue tagging to diagnose constrictive pericarditis and compared results with surgical findings and cardiac catheterization. In 16 patients who underwent pericardiectomy, CMR positivity agreed 100% with intraoperative…

Environmental Radiofrequency Electromagnetic Fields Exposure at Home, Mobile and Cordless Phone Use, and Sleep Problems in 7-Year-Old Children

Research RF Safe Research Library Oct 28, 2015

This cohort study of 2,361 seven-year-old children assessed modeled residential/school RF-EMF from base stations, reported indoor sources, and children’s mobile/cordless phone use in relation to parent-reported sleep quality. Most sleep subscales were not associated with base-station RF-EMF, though sleep duration…

Memory performance, wireless communication and exposure to radiofrequency electromagnetic fields: A prospective cohort study in adolescents

Research RF Safe Research Library Jan 1, 2015

This prospective cohort study followed 439 adolescents for one year to assess whether wireless device use and estimated RF-EMF dose were associated with changes in memory performance. Higher cumulative mobile phone call duration and higher modeled RF-EMF brain and whole-body dose were associated with decreases in…

Exposure to radio-frequency electromagnetic fields from broadcast transmitters and risk of childhood cancer: a census-based cohort study

Research RF Safe Research Library Apr 1, 2014

This census-based cohort study in Switzerland examined modeled RF-EMF exposure from broadcast transmitters and childhood cancer risk using two cohort approaches. Across analyses, no association was reported for all cancers or childhood leukemia. Findings for CNS tumors were inconsistent, and the incidence density…

Neurodegenerative disease and magnetic field exposure in UK electricity supply workers

Research RF Safe Research Library Jan 1, 2014

This cohort study examined mortality from Alzheimer’s disease, motor neurone disease, and Parkinson’s disease among 73,051 UK electricity supply workers from 1973 to 2010. Occupational magnetic-field exposure was assessed using detailed calculations and analyzed using Poisson regression across lifetime, distant…

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