Unknown authors · 2020
This teacher guide addresses concerns about cell phones, wireless technology, and potential health effects from radiofrequency radiation exposure. The resource examines scientific evidence regarding wireless devices and health outcomes including cancer and brain tumor risks.
Unknown authors · 2017
This 2017 CBC Marketplace investigation examined the hidden RF energy emissions and potential health risks from cell phones, likely focusing on exposure levels and safety concerns not widely known to consumers. The documentary-style report appears to have revealed information about cell phone radiation that manufacturers and regulators may not prominently disclose to the public.
Peter Denchev et al. · 2010
Researchers analyzed whether adding ECG screening to routine checkups could prevent sudden cardiac death in children prescribed ADHD stimulant medications. They found that ECG screening would prevent 13 deaths per 400,000 children treated, but at a high cost of $1.2-1.6 million per life saved. The screening showed borderline cost-effectiveness compared to current standard care.
Barry J. Maron et al. · 2009
Researchers tracked sudden deaths in young competitive athletes across the United States from 1980 to 2006, identifying 1,866 cases with an average age of 19 years. The study found that 56% of these deaths were due to cardiovascular disease, with rates increasing 6% per year and peaking at 76 deaths annually in 2005-2006. Most deaths occurred during physical exertion in male high school athletes, with hypertrophic cardiomyopathy being the leading cause.
Jonathan A. Drezner et al. · 2008
Researchers tracked 486 cases of sudden cardiac arrest during exercise in young athletes from 2000-2006 across the United States using media reports. They found an 89% fatality rate with only 11% survival, though survival rates showed modest improvement over time. The study revealed males were five times more likely to experience cardiac arrest than females, but females had better survival rates.
Stacy Eltiti et al. · 2007
UK researchers developed and validated a questionnaire to identify symptoms that people with electromagnetic hypersensitivity (EHS) experience, surveying 20,000 people to understand how common these symptoms are in the general population. The study identified eight distinct symptom categories including headaches, skin problems, and heart-related issues that EHS individuals report more severely than others. This research provides scientists with a standardized tool to identify the most sensitive individuals for future EMF health studies.
Zhi-Jie Zheng et al. · 2005
Researchers analyzed US death records from 1989-1998 and found that sudden cardiac deaths outside hospitals increased significantly among young people aged 15-34, with rates rising 11-33% across different demographic groups. Out-of-hospital cardiac deaths accounted for 66% of all cardiac deaths in this age group, with men and African Americans experiencing the highest rates.
Unknown authors · 1991
This 1991 US-USSR workshop brought together scientists from both superpowers to share research on electromagnetic radiation health effects, focusing on power line frequencies (60 Hz) and radiofrequency/microwave radiation. The meeting represented nearly two decades of cooperative research exchange between the world's leading EMF researchers. This collaboration provided crucial scientific foundation for understanding how electromagnetic fields affect human biology.
T.T. · 1990
This 1990 technical report examined static magnetic fields and their potential health effects, focusing on establishing threshold limit values (TLVs) for occupational exposure. The research addressed workplace safety standards for environments where workers encounter constant magnetic fields from industrial equipment and medical devices.
Joseph D. Bowman et al. · 1988
This 1988 study measured extremely low frequency (ELF) electromagnetic fields at 114 electrical worker job sites and compared them to residential exposures. Researchers found that 59% of occupational measurements exceeded the 95th percentile of home magnetic field levels, with some workers exposed to fields over 3,600 times higher than typical residential levels.
T. S. Tenforde, W. T. Kaune · 1987
This 1987 scientific review examined how extremely low frequency (ELF) electromagnetic fields below 300 Hz interact with the human body. The study analyzed how these fields induce electric currents in living tissue and explored protective measures to reduce potential health effects. It represents foundational research on ELF field interactions with human cellular and tissue systems.
Unknown authors · 1987
The NIH convened a consensus development conference in 1987 to evaluate the safety and effectiveness of magnetic resonance imaging (MRI) technology. This government report examined the radiofrequency electromagnetic fields used in MRI scanners and their potential health effects on patients. The conference established early safety guidelines for this powerful medical imaging technology.
Kjell Hansson Mild et al. · 1987
Swedish researchers studied the health effects of high-level radiofrequency radiation exposure in plastic welding operators, who work with industrial RF equipment that generates intense electromagnetic fields. This 1987 technical report examined workers experiencing some of the highest occupational RF exposures, providing early evidence about potential health impacts from intense radiofrequency radiation.
Chang-Zern Hong · 1987
Researchers exposed human nerves to static magnetic fields of 1 tesla (extremely strong medical-grade magnets) for 15 seconds and measured nerve function. They found that nerve excitability increased significantly during exposure, with effects appearing within 5 seconds and disappearing 3 minutes after exposure ended. This demonstrates that magnetic fields can directly alter human nerve function in real-time.
Unknown authors · 1987
This 1987 NIH consensus development conference brought together medical experts to establish official guidelines for magnetic resonance imaging (MRI) safety and clinical use. The conference addressed the radiofrequency electromagnetic fields used in MRI scanners and their potential health effects. This represents one of the earliest formal government assessments of RF exposure from medical imaging technology.
Kolmodin-Hedman B et al. · 1987
Swedish researchers studied 113 plastic welding machine operators exposed to radiofrequency radiation and found significant health problems including eye irritation, hand numbness, and impaired nerve function. Over half the machines exceeded safety limits, with the highest exposures affecting workers' hands in clothing factories.
Michael Kachmar · 1986
This 1986 study examined radiation protection approaches for microwave exposure, focusing on protective suits and EM Guard technology across different body sizes from small to extra-large. The research evaluated attenuation capabilities of protective equipment designed to shield humans from microwave radiation exposure.
Martino Grandolfo · 1986
This 1986 review analyzed radiofrequency and microwave exposure standards across different countries, finding dramatic variations in what governments consider 'safe' levels. Occupational exposure limits differed by factors of 20 to 100 between nations, while public exposure standards varied by factors of 20, revealing significant disagreement about EMF safety even among experts.
Robert F. Cleveland · 1985
This 1985 government report by Robert F. Cleveland evaluated how well radiofrequency radiation sources were following FCC guidelines designed to protect humans from excessive exposure. The study examined compliance with federal safety standards that were established to limit RF radiation exposure from various sources. This work represents an early systematic assessment of whether real-world RF exposures were staying within officially deemed safe limits.
Jonathan M. Charry, William H. Bailey, T. Dan Bracken · 1985
This 1985 study measured the electrical environment around computer monitors (VDTs) to investigate reports of skin rashes and health complaints among operators. Researchers found that VDTs reduced beneficial negative ions in their immediate vicinity and created DC electric fields up to 5,000 volts per meter at close range, though these levels were comparable to common indoor electrical charges.
D E Oliver et al. · 1984
This 1984 physiotherapy research examined pulsed electromagnetic energy (PEME) as a treatment modality, comparing it with ultrasound therapy for various medical conditions including spina bifida and venous ulcers. The study represents early clinical investigation into therapeutic electromagnetic field applications in rehabilitation medicine.
S.M. Harvey · 1984
Researchers measured electric fields from computer monitors (CRTs) across frequencies from DC to 1 MHz using sensors on a human body model. They found three distinct field sources: the charged screen, flyback transformer, and low-voltage circuits. All measured exposures fell below existing workplace safety guidelines.
Louis Slesin · 1984
This 1984 research examined radiation emissions from computer terminals (VDTs), focusing on what was known and unknown about health effects including pregnancy complications and miscarriages. The study addressed growing concerns about electromagnetic field exposure from workplace computer use during the early personal computer era.
Thomas C. Rozzell · 1984
This 1984 document reports on West Germany's publication of electromagnetic field exposure standards for both electric and magnetic fields across different frequencies. The standards addressed occupational exposure limits, representing an early governmental effort to regulate EMF exposure based on available scientific understanding at the time.
R. L. Waterfield, J. A. Allstadt · 1983
This 1983 government study developed systematic methods for locating radiofrequency sealer equipment across a state and measuring worker exposures to RF radiation. The research created standardized procedures for identifying these industrial heating devices, measuring their operating frequencies and field strengths, and analyzing how much RF energy workers encounter during operation.