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Showing results for: smartphones

How RF Safe Will Serve Humanity in 2026

Independent Voices RF Safe Dec 17, 2025

RF Safe founder John Coates outlines a 2026 advocacy plan focused on increasing enforcement of U.S. federal radiation-control law, pushing consumer technology toward Li‑Fi as a safer baseline for children, and demanding accountability from companies marketing wireless products to children. The post argues that…

This piece does not argue that radiofrequency (RF) electromagnetic fields “cause” any single disease.

Independent Voices RF Safe Dec 16, 2025

An RF Safe commentary argues that persistent, pulsed “non-native” RF electromagnetic noise can disrupt biological “timing coherence,” leading to downstream “fidelity losses,” particularly in electrically active tissues. It also emphasizes that smartphones are adaptive RF systems that change transmit power and…

Impact of magnetic fields from tablets, laptops, smartphones, and household/leisure magnets on cardiac implantable electronic devices

Research RF Safe Research Library Jan 1, 2025

This study tested magnetic fields from tablets, laptops, smartphones, and household/leisure magnets against 13 cardiac implantable electronic device (CIED) models to assess magnet mode activation. It reports that these consumer devices can trigger magnet mode when in close proximity, with median activation distances…

The Effect of Proximity Sensor & Grip Sensor Use on Specific Absorption Rate (SAR) in Smartphones

Research RF Safe Research Library Jan 1, 2025

This engineering study examined how smartphone proximity and grip sensors affect SAR during LTE and 5G NR operation in a 3D measurement environment. The abstract reports that enabling these sensors reduces SAR relative to being turned off, with reductions varying by sensor and frequency. The authors attribute the…

Structural and functional correlates of smartphone addiction

Research RF Safe Research Library Jan 1, 2020

This cross-sectional MRI study compared individuals meeting psychometric criteria for smartphone addiction (n=22) with controls (n=26). It reports lower gray matter volume in several regions (including left anterior insula and parahippocampal cortex) and lower intrinsic activity in the right anterior cingulate cortex…

Gerontechnologies for Older Patients with Heart Failure: What is the Role of Smartphones, Tablets, and Remote Monitoring Devices in Improving Symptom Monitoring and Self-Care Management?

Research RF Safe Research Library Jan 1, 2016

This review-style article discusses gerontechnologies—mobile applications on smartphones/tablets and remote monitoring systems—for outpatient symptom monitoring and self-care management in older adults with heart failure. It frames these tools as potentially cost-effective and accessible when designed for older…

Effects of Electromagnetic Radiation from Smartphones on Learning Ability and Hippocampal Progenitor Cell Proliferation in Mice.

Research RF Safe Research Library Jan 1, 2016

This mouse study examined chronic smartphone electromagnetic radiation exposure and its effects on spatial working memory and hippocampal progenitor cell proliferation. The authors report no significant differences in Y-maze spontaneous alternation or BrdU-labeled progenitor proliferation after exposure, but…

Is smartphone a necessity or luxury among orthopedic specialty?

Research RF Safe Research Library Jan 1, 2014

This cross-sectional questionnaire study assessed how orthopaedic residents and consultants in Karachi used smartphones for clinical work and academics. Most respondents owned smartphones and reported using apps and internet/email, but fewer used them to share clinical data. The paper does not assess electromagnetic…

Multifocal Breast Cancer in Young Women with Prolonged Contact between Their Breasts and Their Cellular Phones

Research RF Safe Research Library Jan 1, 2013

This 2013 case series describes four young women (ages 21–39) with multifocal invasive breast cancer who reportedly carried smartphones directly against their breasts in their brassieres for prolonged periods over several years. Tumors were reported to occur in areas immediately underlying phone contact, with imaging…

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