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Showing results for: case-control

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—…

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…

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

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…

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…

Men with genetic predisposition face greater fertility challenges when exposed to electromagnetic radiation

Research RF Safe Research Library Jan 1, 2025

This case-control genetic association study in men from West Bengal, India examined variants in meiotic regulator genes (SPO11, RNF212, SYCP3) alongside reported exposure to electronic (electromagnetic) radiation as risk factors for azoospermia. It reports that genetic variants were associated with increased…

Residential exposure to magnetic field due to high-voltage power lines and childhood leukemia risk in mainland France - GEOCAP case-control study

Research RF Safe Research Library Jan 1, 2025

This French GEOCAP registry-based case-control study evaluated childhood acute leukemia risk in relation to residential proximity to high-voltage overhead power lines and modeled ELF magnetic-field exposure. It reports an increased risk for children under 5 living within 50 m of power lines, particularly when…

Use of Electrical Household Appliances and Risk of All Types of Tumours: A Case-Control Study

Research RF Safe Research Library Jan 1, 2025

This multi-hospital case-control study (n=316) examined associations between use of common household electrical appliances emitting ELF EMF and tumour risk. Most devices showed below-unity odds ratios, while computer screen and microwave oven use showed slightly increased odds with wide confidence intervals.…

Is Cellphone Carrying Below the Waist (Exposure to Non-Ionizing Radiation) Contributing to the Rapid Rise in Early-Onset Colorectal Cancer?

Research RF Safe Research Library Jan 1, 2024

This conference abstract reports a pilot matched case-control study examining whether carrying a cellphone below the waist is associated with early-onset colorectal cancer (EOCRC). The authors report higher EOCRC likelihood among those who carried phones below the waist, with the strongest association for ipsilateral…

Risk factors of congenital anomalies of the kidney and urinary tract (CAKUT): Exposure to mobile phones during pregnancy.

Research RF Safe Research Library Jan 1, 2024

This case-control study (57 CAKUT cases, 57 controls) evaluated multiple risk factors for CAKUT, including mobile phone-related EMF exposure during pregnancy. Longer maternal daily call time and higher effective SAR (SAR × call time) were reported to be associated with increased CAKUT risk, while phone proximity when…

The effect of long-term radiofrequency exposure on cognition in human observational studies: A protocol for a systematic review.

Research RF Safe Research Library Jan 1, 2022

This paper presents a protocol for a systematic review of human observational studies assessing long-term radiofrequency (100 kHz to 300 GHz) EMF exposure and cognitive outcomes. It plans to include cohort and case-control studies with at least 6 months follow-up and validated cognitive measures, and to evaluate…

Case-Control Study on Occupational Exposure to Extremely Low-Frequency Electromagnetic Fields and the Association with Meningioma.

Research RF Safe Research Library Jan 1, 2018

This case-control analysis assessed occupational extremely low-frequency electromagnetic field (ELF-EMF) exposure and meningioma using the INTEROCC ELF-EMF job-exposure matrix. Cumulative, average, and maximum job exposure metrics were evaluated. The study reports no increased meningioma risk in any exposure…

Residential exposure to extremely low-frequency magnetic fields and risk of childhood leukaemia, CNS tumour and lymphoma in Denmark

Research RF Safe Research Library Nov 3, 2015

This Danish case-control study assessed residential extremely low-frequency magnetic fields (ELF-MF) calculated from 50 6400 kV facilities and risk of childhood leukaemia, CNS tumour, and malignant lymphoma from 1968 62003. For 1987 62003, the RR for the combined outcome at 0.4 bcT vs

Occupational exposure to extremely low-frequency magnetic fields and electrical shocks and acute myeloid leukemia in four Nordic countries

Research RF Safe Research Library Jan 1, 2015

This Nordic case-control study evaluated whether occupational exposure to extremely low-frequency magnetic fields (ELF-MF) or risk of electrical shocks is associated with acute myeloid leukemia (AML). It included 5,409 AML cases and 27,045 matched controls across four countries, with exposures assigned using…

Decreased survival of glioma patients with astrocytoma grade IV (glioblastoma multiforme) associated with long-term use of mobile and cordless phones

Research RF Safe Research Library Oct 16, 2014

This analysis examined survival among 1678 glioma patients from two case-control study periods (1997–2003 and 2007–2009) in relation to wireless phone use. In the >20 years latency group, the authors report increased hazard ratios for glioma overall and for astrocytoma grade IV (glioblastoma multiforme), with hazard…

Distance from residence to power line and risk of childhood leukemia: a population-based case-control study in Denmark

Research RF Safe Research Library Jan 1, 2014

This population-based case-control study in Denmark examined whether distance from residence at birth to high-voltage overhead power lines was associated with childhood leukemia. Using GIS-based distance measures, the study did not find higher leukemia risk for children living within 0–199 m or 200–599 m of 132–400…

Risk of neuroblastoma, maternal characteristics and perinatal exposures: the SETIL study

Research RF Safe Research Library Jan 1, 2014

This population-based Italian case-control study (153 neuroblastoma cases; 1044 controls) evaluated maternal characteristics and perinatal exposures, including measured ELF-MF home exposure during pregnancy. The authors report no association between ELF-MF exposure and neuroblastoma risk. Increased risks were…

Cell phone usage and erectile function.

Research RF Safe Research Library Jan 1, 2013

This pilot case-control study compared 20 men with erectile dysfunction to 10 healthy controls using SHIM/IIEF scores and a questionnaire on cell phone habits. Weekly call time was not significantly different between groups, but men with ED reported significantly longer daily time carrying a switched-on phone. The…

Effect of extremely low frequency electromagnetic field exposure on sleep quality in high voltage substations.

Research RF Safe Research Library Jan 1, 2012

This case-control study measured electric field intensity and magnetic flux density in high voltage substations and estimated workers' ELF-EMF exposure over a shift. Sleep quality was assessed using the PSQI in 67 exposed workers and 110 controls. The study reports no statistically significant difference in overall…

Greyscale intravascular ultrasound and IVUS-radiofrequency tissue characterisation to improve understanding of the mechanisms of coronary stent thrombosis in drug-eluting stents.

Research RF Safe Research Library Jan 1, 2008

This review describes proposed mechanical causes of drug-eluting stent thrombosis and notes that many are identifiable by greyscale intravascular ultrasound (IVUS). It highlights that evidence linking specific IVUS findings to stent thrombosis remains uncertain because relatively few stent thrombosis cases have been…

Histologic evaluation of thermal capsulorrhaphy of human shoulder joint capsule with monopolar radiofrequency energy during short- to long-term follow-up.

Research RF Safe Research Library Jan 1, 2008

This Level III therapeutic case-control study evaluated shoulder capsule histology after arthroscopic thermal capsulorrhaphy using monopolar radiofrequency energy, with follow-up from 3.5 to 62 months. Mid- and long-term mRFE groups did not differ from controls on several histologic categories (synovial layer, edema,…

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