Browse 8,655 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing 738 studies in Cancer & Tumors
Unknown authors
This technical report examined radiofrequency hyperthermia treatment on carcinomas in hamster cheek pouches, likely using DMBA-induced tumors. The research explored using RF energy to heat cancerous tissue as a therapeutic approach. This represents early investigation into controlled RF energy applications for cancer treatment.
Unknown authors
Researchers developed a fiber-optic temperature probe using gallium arsenide sensors that can accurately measure temperature during microwave hyperthermia treatments without interfering with the electromagnetic fields. The probe uses infrared light at 907 nanometers and can measure temperatures from 15-55°C, making it suitable for cancer treatment monitoring where traditional metal probes would create dangerous interference.
Unknown authors
Researchers developed a broadband microwave applicator operating from 150 MHz to 1100 MHz designed to deliver focused energy to deep-seated tumors for cancer hyperthermia therapy. The device uses a specialized horn design filled with a high-dielectric liquid to penetrate deeper into tissue while preventing surface overheating. This represents engineering work to optimize medical microwave delivery rather than health effects research.
Unknown authors
Researchers developed a specialized test using cancer cells and immunocompromised mice to detect subtle biological effects from 30 MHz radio frequency radiation. The study found that RF exposure changed how cancer cells behaved when reimplanted in mice, affecting tumor growth patterns and survival rates. This suggests RF fields can cause biological changes too subtle to detect with standard testing methods.
Unknown authors
Researchers tested whether implanted microwave coils operating at 9.3 GHz could heat and destroy tumors in mice. The treatment heated tumors to 44°C for 30 minutes, achieving complete long-term cures in 44% of mice with leg tumors. This demonstrates that focused microwave energy can be an effective cancer treatment when precisely targeted.
Unknown authors
This technical report examined occupational exposure to electromagnetic fields among workers near power lines and those using video display terminals (VDTs), focusing on potential links to leukemia and reproductive health effects. The research addressed workplace EMF exposure levels and associated health risks in occupational settings. This type of occupational health research helps establish safety guidelines for workers routinely exposed to EMF sources.
Unknown authors
Researchers compared slow water bath heating versus rapid microwave heating on human prostate cancer cells, followed by heat exposure treatments. They found that microwave-induced rapid heating (thermal shock) killed cancer cells more effectively above 43°C, with cell survival dropping predictably as temperature increased.
Unknown authors
Researchers developed a system using radiofrequency electromagnetic fields to heat ferromagnetic implants placed in brain tumors, creating localized hyperthermia for cancer treatment. The study found that frequencies below 2 MHz effectively heated 1-2mm implants to create temperature differences greater than 4°C within 1 cm of the implant site. This targeted heating approach aims to treat aggressive brain cancers like glioblastoma by making tumor cells more vulnerable to radiation therapy.
Unknown authors
Researchers exposed mice to 2450 MHz microwave radiation (similar to microwave ovens) for up to 4 months, then treated them with cancer-causing chemicals to see if the radiation affected tumor development. The study examined whether long-term microwave exposure changes immune system function in ways that could influence cancer risk.
Unknown authors
Researchers exposed neuroblastoma cancer cells to pulsed magnetic fields at 2 gauss intensity and found the fields could alter cell behavior, causing changes in how cells grew extensions (dendrites) and adhered to surfaces. The magnetic field patterns appeared to influence whether cells remained cancerous or began transforming back toward normal cell behavior.
Unknown authors
Scientists studied how microwave hyperthermia (heat treatment) used in cancer therapy affects the immune system. They found that immune cell reactions change dramatically depending on temperature - cells are stimulated at 39-41°C but inhibited at 42-44°C. This reveals that microwave heating has complex effects on immune function that vary with temperature.
Unknown authors
Researchers developed a Raman spectroscopy technique to distinguish cancer cells from normal cells by analyzing their molecular signatures. The study addressed technical challenges like fluorescence interference and cell movement that typically mask cellular signals. This optical method could potentially identify cancerous changes in cells without invasive procedures.
Unknown authors
Researchers exposed aged mouse cells to 50 Hz magnetic fields (the same frequency as power lines) and found the exposure promoted cancer-like changes. However, when they treated the cells with metformin, a diabetes drug, it blocked these harmful effects by reducing inflammation pathways. This suggests power line frequency EMF may be particularly concerning for older adults.