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Filters: tag: mobile phone use Clear

High-Certainty Evidence of EMF-Related Harm: What Recent Systematic Reviews and Meta-Analyses Report

Research Effect Synthesis Feb 27, 2026

Across high-evidence reviews in this thread, the most consistent high-certainty harm signals involve RF-EMF carcinogenicity in male rats (glioma and malignant heart schwannoma), adverse male reproductive outcomes (inc…

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…

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

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…

Inclusion of mobile phone usage guidelines in universal hypertension management protocol: an opinion

Research RF Safe Research Library May 30, 2024

This opinion piece discusses the global and India-specific burden of hypertension and frames a problem of mobile phone use by patients while waiting for care. It references standard blood pressure measurement guidance recommending refraining from talking for a few minutes before measurement, noting that this may…

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…

Effects of excessive use of mobile phone technology in India on human health during COVID-19 lockdown.

Research RF Safe Research Library Jan 1, 2021

This cross-sectional online survey study (n=122) examined increased dependency on mobile phone technology and electronic gadgets in India during the COVID-19 lockdown. Most participants reported increased usage and perceived increased risk of health problems from excessive use. The authors conclude that technology…

The influence of electromagnetic fields generated by wireless connectivity systems on the occurrence of emotional disorders in women: A preliminary report.

Research RF Safe Research Library Jan 1, 2019

This preliminary cross-sectional study of 200 women working in healthcare and trade assessed associations between wireless-system EMF exposures and emotional disorders. The authors report that GSM 900/1800 base-station exposure contributed to depressive disorders among medical personnel, while WLAN exposure was…

Association between media coverage and prevalence of idiopathic environmental intolerance attributed to electromagnetic field in Taiwan.

Research RF Safe Research Library Jan 1, 2018

This ecological study examined whether trends in newspaper coverage about EMF/IEI-EMF in Taiwan were associated with changes in reported IEI-EMF prevalence. The authors report that media coverage rose up to 2007 and then declined through 2012, mirroring a decline in IEI-EMF prevalence between 2007 and 2012. In…

Mobile phone use for 5 minutes can cause significant memory impairment in humans.

Research RF Safe Research Library Jan 1, 2017

This study assessed working memory before and after 5 minutes of mobile phone use using a brief computerized 10-word recall task. The experimental group showed worse performance immediately after phone use, with partial improvement 5 minutes later, while the control group improved across repeated tests without phone…

The Effect of Electromagnetic Radiation due to Mobile Phone Use on Thyroid Function in Medical Students Studying in a Medical College in South India.

Research RF Safe Research Library Jan 1, 2017

This exploratory survey study assessed the association between mobile phone radiation exposure and thyroid function among 83 undergraduate medical students in South India. The authors report a significant correlation between total radiation exposure and higher TSH levels, seen in students both with and without a…

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…

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…

What is harmful for male fertility: cell phone or the wireless Internet?

Research RF Safe Research Library Jan 1, 2015

This cross-sectional study of men attending an infertility clinic assessed associations between self-reported mobile phone and wireless Internet use and semen parameters. Mobile phone usage period was not significantly associated with sperm count or morphology, while motility showed a borderline association. Higher…

Correlates of mobile phone use in HIV care: Results from a cross-sectional study in South Africa.

Research RF Safe Research Library Jan 1, 2015

This cross-sectional study surveyed 883 HIV-infected patients on ART in Soweto, South Africa, to identify demographic correlates of using mobile phones as reminder tools. Older age, female gender, and lower education were associated with lower use of phones for clinic appointment reminders. Older age and lower income…

Effect of mobile phone usage time on total antioxidant capacity of saliva and salivary immunoglobulin a.

Research RF Safe Research Library Jan 1, 2014

This cross-sectional study assessed whether daily mobile phone usage time is associated with salivary total antioxidant capacity in 105 volunteers. Participants were divided into three groups by usage, and total antioxidant capacity was measured using the FRAP method. The study reports a statistically significant…

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…

Epidemiological characteristics of mobile phone ownership and use in korean children and adolescents.

Research RF Safe Research Library Jan 1, 2013

This cross-sectional analysis used three Korean databases (2008–2011; n=21,693) to describe mobile phone ownership and use among children and adolescents and how these patterns vary by socioeconomic position. Ownership and use were higher among females, older students, and in 2011 compared with 2008, and the age of…

Prenatal and Postnatal Cell Phone Exposures and Headaches in Children.

Research RF Safe Research Library Jan 1, 2012

This cohort analysis from the Danish National Birth Cohort examined whether prenatal and/or postnatal cell phone exposure was associated with headaches in children at age seven. Using maternal questionnaire data for 52,680 children, the study reports higher odds of migraines and headache-related symptoms among…

Long-term digital mobile phone use and cognitive decline in the elderly.

Research RF Safe Research Library Jan 1, 2012

This 4-year cohort study in 871 non-demented older Chinese adults examined frequent digital mobile phone use and changes in cognitive performance. The authors report no significant harmful association between phone use and cognitive functioning. They note users tended to have characteristics linked to better…

Survey of ownership and use of mobile phones among medical science students in Yazd.

Research RF Safe Research Library Jan 1, 2009

This cross-sectional survey assessed mobile phone ownership and use patterns among 309 medical science students in Yazd using a self-administered questionnaire. The abstract reports descriptive statistics on daily talking time, music listening, texting, and common locations of phone use. While the paper references…

Adverse effects of excessive mobile phone use.

Research RF Safe Research Library Jan 1, 2008

This cross-sectional questionnaire study surveyed 286 medical students about mobile phone use and health complaints. The abstract reports multiple self-reported symptoms (including impaired concentration, memory disturbances, sleeplessness, fatigue, and headache) and notes that 44.4% of respondents attributed their…

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