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Filters: category: Epidemiology Clear

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…

Radiofrequency radiation from mobile phones and the risk of breast cancer: A multicenter case-control study with an additional suspected comparison group

Research PubMed: RF-EMF health Feb 2, 2026

A multicenter case-control study in Iran reported that self-reported prolonged mobile phone use was associated with higher odds of confirmed and suspected breast cancer status. The authors emphasize that the findings do not imply causation and note limitations including self-reported exposure and potential residual…

Increasing Incidence of Thyroid Cancer and Use of Smart Phones [Health Matters]

Research RF Safe Research Library Jan 1, 2026

This magazine article discusses the rising incidence of thyroid cancer and raises the possibility of an association with increased smartphone use and related RF EMF exposure near the head and neck. It characterizes EMF exposure from personal electronics as a growing public health concern. The piece calls for more…

Prediction of smartphone overdependence and analysis of its influencing factors among older adults based on machine learning.

Research RF Safe Research Library Jan 1, 2026

This study used panel data from South Korea's 2023 Smartphone Overdependence Survey to build and compare machine-learning models predicting smartphone overdependence among adults aged 60+. Among evaluated classifiers, XGBoost had the best reported predictive performance (accuracy 0.925). The most important predictors…

Sociodemographic, lifestyle, and dietary characteristics among artificially sweetened beverages consumers in Korea.

Research RF Safe Research Library Jan 1, 2026

This cross-sectional analysis used 2021–2023 Korea National Health and Nutrition Examination Survey data to describe intake levels and characteristics of artificially sweetened beverage (ASB) consumers. Among 320 adults who consumed ASBs, those with higher intake were younger, more often male, and had higher BMI.…

One or many environmental intolerance(s)? A cluster analysis over two representative samples

Research RF Safe Research Library Jan 1, 2026

This study used k-prototypes cluster analysis in two representative population-based datasets from Sweden (N=1576) and Finland (N=1233) to examine whether different symptom-attribution types (chemicals, electromagnetic fields, noise, etc.) form distinct disorders. The analysis separated participants with versus…

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…

Exploring the Potential Observations Between Geomagnetic Activity and Cardiovascular Events: A Scoping Review

Research RF Safe Research Library Jan 1, 2025

This scoping review mapped evidence on associations between geomagnetic activity/space weather and cardiovascular events, identifying 36 eligible studies from 1964–2023. Most studies reported correlations between geomagnetic/space-weather exposures and increased myocardial infarction, stroke, acute coronary syndrome,…

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…

Prevalence of self-reported sensitivities to various environmental factors in Germany, Sweden, and Finland based on multiple classification criteria

Research RF Safe Research Library Jan 1, 2025

This cross-sectional survey study reports the prevalence of self-reported sensitivities to multiple environmental factors, including EMFs, in Germany, Sweden, and Finland. Mild EMF-related reactions were reported by about 10% in Germany and about 5% in Nordic samples, while strong reactions were reported by a smaller…

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…

Radiofrequency radiation from mobile phones and the risk of breast cancer: A multicenter case-control study with an additional suspected comparison group

Research RF Safe Research Library Jan 1, 2025

This multicenter case-control study in Iran (n=226) examined associations between mobile phone use and breast cancer outcomes in women. Reporting more than 60 minutes/day of phone conversations was associated with higher odds of confirmed invasive breast cancer and of being classified as a suspected case versus

Electromagnetic fields and oxidative stress: The link to the development of cancer, neurological diseases, and behavioral disorders

Research RF Safe Research Library Jan 1, 2025

This review discusses epidemiological and mechanistic reports linking EMF exposure with oxidative stress and disease risk, and introduces an Electromagnetic Pathogenesis (EMP) conceptual model. The model proposes that non-ionizing EMFs increase mitochondrial electron leakage via electron tunneling, raising free…

Brain Tumor and Mobile Phone Risk Among Young People: Analysis of Japanese People Using the MOBI-Kids International Case-Control Study

Research RF Safe Research Library Jan 1, 2025

This Japanese case-control study within the MOBI-Kids framework examined mobile phone use and brain tumor risk among people aged 10–29 years in the Kanto region. Using logistic regression adjusted for age and sex, it reports no increased brain tumor risk associated with mobile phone use, including analyses…

The Influence of Mobile Technologies on the Quality of Sleep

Research RF Safe Research Library Jan 1, 2025

This study assessed whether sleeping with versus without a mobile phone (two-week intervals) affects sleep in medical students, using smartwatch-based monitoring. It reports no statistically significant differences in sleep quality or time spent in wakefulness, REM, light, or deep sleep between conditions. The…

Symptoms associated with environmental factors are positively related to sensory-processing sensitivity

Research RF Safe Research Library Jan 1, 2025

This cross-sectional survey of 491 participants examined symptoms associated with environmental factors, including perceived sensitivity to electromagnetic fields. Psychological traits (somatic symptom distress, somatosensory amplification, body awareness, and sensory-processing sensitivity) were positively related…

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…

Experience of Polish Physicians on Electromagnetic Hypersensitivity

Research RF Safe Research Library Jan 1, 2025

This cross-sectional questionnaire study surveyed 355 Polish physicians about EMF health effects and electromagnetic hypersensitivity (EHS). Physicians reported limited knowledge and low familiarity with WHO guidance for managing people who believe they are hypersensitive to EMF, though most were willing to learn…

Causal relationship between the duration of mobile phone use and risk of stroke: A Mendelian randomization study

Research RF Safe Research Library Jan 1, 2025

This Mendelian randomization study assessed whether duration of mobile phone use is causally related to stroke outcomes using GWAS-derived SNP instruments. The inverse-variance weighted analysis reported a significant increased risk for large artery atherosclerosis (LAAS) with longer mobile phone use duration, while…

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…

Extremely Low-Frequency Magnetic Fields (ELF-MF) and Radiofrequency: Risk of Childhood CNS Tumors in a City with Elevated ELF-MF Exposure

Research RF Safe Research Library Jan 1, 2025

This case-control study in Mexico City (2017–2022) evaluated residential ELF-MF and device-use proxies for RF exposure in relation to childhood CNS tumor risk. Elevated residential ELF-MF (≥0.4 μT) was associated with approximately doubled odds of CNST, while cell phone use showed no association. Prolonged tablet…

Occupational exposure to extremely low-frequency magnetic fields (ELF-MF) and postmenopausal breast cancer risk

Research RF Safe Research Library Jan 1, 2025

This population-based case-control study in Montréal (2008–2011) evaluated occupational extremely low-frequency magnetic field (ELF-MF) exposure and postmenopausal breast cancer risk using a job-exposure matrix linked to lifetime job histories. Overall, it reports no association between occupational ELF-MF exposure…

Carcinogenicity of Radio-Frequency Radiation: Similarities and Differences Between Outcomes of Two Studies

Research RF Safe Research Library Jan 1, 2025

This review compares two epidemiologic studies of radio-frequency radiation (RFR) exposure among military personnel with overlapping patient groups. One study reported a statistically significant increase in cancer among exposed individuals, while the other did not, which the review attributes to a smaller sample…

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