Unknown authors · 2002
Researchers measured magnetic fields and contact voltages in 36 Massachusetts homes, finding that voltage between water pipes and ground (VW-E) strongly correlated with residential magnetic fields, especially near power lines. This contact voltage could cause current to flow through children during baths, potentially explaining the link between high magnetic fields and childhood leukemia.
Unknown authors · 2002
This 2002 theoretical study challenged the widely accepted belief that thermal noise in cell membranes would prevent power frequency electric and magnetic fields from affecting human cells. The researchers argued that previous thermal noise calculations were incomplete and that when all thermal forces are properly accounted for, the actual noise may be lower than thought, potentially allowing environmental EMF to influence cellular membranes.
Unknown authors · 2002
Swedish researchers surveyed 15,000 adults in Stockholm County and found that 1.5% reported hypersensitivity to electric or magnetic fields. These individuals also reported significantly more symptoms, allergies, and other sensitivities compared to the general population, with women and people aged 60-69 most affected.
Unknown authors · 2002
French researchers surveyed 530 people living at various distances from cell phone towers, documenting 18 health symptoms. They found significantly higher rates of fatigue, headaches, sleep problems, and other symptoms in people living within 300 meters of towers, with women reporting more symptoms than men. The study concluded that people should live at least 300 meters away from cell towers for health protection.
Unknown authors · 2002
This 2002 literature review examined reports of electromagnetic hypersensitivity (EHS), a condition where people claim sensitivity to electric and magnetic fields from devices like computer screens. The researchers found that despite nearly 20 years of reports, controlled studies showed no clear link between EMF exposure and the skin symptoms people experienced. The syndrome appears to be a real health problem, but its actual cause remains scientifically unclear.
Unknown authors · 2002
California researchers surveyed 2,072 residents and found 3.2% reported being hypersensitive to electromagnetic fields from electrical devices. The study revealed that people claiming EMF sensitivity were most likely to also report multiple chemical sensitivity diagnosed by a doctor, suggesting these conditions may be related.
Unknown authors · 2002
Swedish researchers followed 350 patients with electromagnetic hypersensitivity (EHS) over 18 years, finding that 38% of those with general electrical sensitivity stopped working compared to 17% with computer screen-related symptoms. Women were disproportionately affected, comprising 62-78% of patients, and those with broader electrical sensitivity showed worse long-term outcomes than those with screen-specific symptoms.
Unknown authors · 2002
This large prospective study followed 969 pregnant women who wore magnetic field meters for 24 hours to measure their actual EMF exposure. Women exposed to magnetic field peaks of 16 milligauss or higher had an 80% increased risk of miscarriage, with the risk doubling for early miscarriages and tripling for women with previous pregnancy losses.
Unknown authors · 2002
This California study of 177 miscarriage cases and 550 healthy pregnancies found that women exposed to higher levels of magnetic fields from power lines and household appliances had up to 3 times higher risk of miscarriage. The researchers measured actual magnetic field exposure using personal meters for 24 hours, finding the strongest associations with rapidly changing magnetic field levels.
Unknown authors · 2002
This Canadian study examined 543 men with brain cancer and 543 matched controls to investigate whether occupational magnetic field exposure increases brain cancer risk. Researchers found that men exposed to magnetic fields above 0.6 microTesla at work had a 33% higher brain cancer risk overall, but a striking 436% increased risk specifically for glioblastoma multiforme, the most aggressive brain tumor type.
Unknown authors · 2002
Researchers analyzed deaths of Colorado men from 1987-1996 to examine whether occupational magnetic field exposure increases risk of neurodegenerative diseases. They found a 50% increased risk of Parkinson's disease among workers with highest magnetic field exposure, while results for Alzheimer's and ALS were inconsistent depending on how exposure was measured.
Unknown authors · 2002
German researchers exposed female rats to 50 Hz magnetic fields (the same frequency as European power lines) for two weeks and found significantly increased cell division in mammary gland tissue. The study directly measured cell proliferation using two different markers and found the strongest effects in the chest area where previous research had shown increased tumor development.
Unknown authors · 2002
This 2002 review examined how electromagnetic fields from power lines affect simple organisms like bacteria, nematodes, fruit flies, and frogs rather than mammals. The study highlighted a major research gap, noting that most EMF health studies focus on mammals while largely ignoring effects on lower organisms that could provide important insights into biological mechanisms.
Unknown authors · 2002
A University of Bristol physicist analyzed potential health risks from living near high-voltage power lines in the UK. The study estimated that magnetic fields above 0.1 microT within 150 meters of power lines could cause 9,000 excess depression cases and 60 suicides annually, while electric field effects within 400 meters might contribute to hundreds of lung cancer cases. This theoretical analysis suggests power line proximity may significantly impact public health through multiple biological pathways.
Unknown authors · 2002
Austrian researchers exposed human skin cells to 50 Hz electromagnetic fields (the same frequency as power lines) for 24 hours at 1000 microTesla. They found that intermittent exposure caused significant DNA strand breaks, while continuous exposure did not. The most DNA damage occurred with a pattern of 5 minutes on, 10 minutes off.
Unknown authors · 2002
Researchers measured magnetic fields and contact voltages in 36 homes in Pittsfield, Massachusetts, finding that voltage between water pipes and earth correlated strongly with residential magnetic fields. This contact voltage, which can flow through children during baths when they touch faucets, may explain the established link between high magnetic field homes and childhood leukemia.
Unknown authors · 2002
Swedish researchers followed 1.3 million male workers for 19 years and found that extremely low-frequency magnetic fields (ELF-MF) from occupational sources don't increase brain tumor risk alone, but significantly amplify the cancer-causing effects of certain chemicals like solvents, lead, and pesticides. Workers exposed to both ELF-MF and these chemicals showed dramatically higher glioma rates than those exposed to either factor alone.
Unknown authors · 2002
This 2002 study challenged the widely accepted theory that thermal noise in cell membranes would prevent cells from responding to weak power line frequency electromagnetic fields. The researchers argued that previous thermal noise calculations were incomplete and that when properly calculated, thermal noise may be lower than previously thought, potentially allowing cells to detect environmental EMF levels.
Unknown authors · 2002
French researchers surveyed 530 people living at various distances from cell phone towers and found significant increases in health complaints among those living closer to the towers. Symptoms like fatigue appeared at distances up to 300 meters, while more severe symptoms like depression and memory loss occurred within 100 meters. Women reported symptoms more frequently than men across multiple categories.
Unknown authors · 2002
Researchers compared how different safety standards measure radiation absorption from cell phones at 835 and 1900 MHz frequencies. They found that current testing methods using plastic ear models underestimate actual radiation exposure by up to 200%, and that smaller head models absorb significantly more radiation than larger ones.
Takahashi S et al. · 2002
Researchers exposed mice to 1.5 GHz radiofrequency radiation (the type used in cell phones) for 90 minutes daily over 4 weeks to test whether it could damage DNA in brain cells. They found no evidence of genetic mutations, brain tissue damage, or changes that might lead to brain tumors. The study suggests that cell phone radiation at these levels does not directly cause DNA damage in mouse brain tissue.
Shckorbatov YG et al. · 2002
Researchers exposed human cheek cells to extremely high-frequency microwaves (37.5 and 18.75 GHz) at very low power levels and measured how the cell nuclei responded to electrical fields. They found that microwave exposure changed the electrical properties of cell nuclei and increased cell membrane permeability, with effects varying based on each person's initial cellular characteristics.
Pakhomov AG, Gaj ek P, Allen L, Stuck BE, Murphy MR · 2002
Researchers exposed yeast cell cultures to extremely high-powered microwave pulses (250,000 watts peak power) and compared the effects to continuous wave exposure at the same frequency and average power. Despite peak power levels 200,000 times higher than average, both exposure types produced identical effects on cell growth that correlated only with heating. The study found no evidence that extremely high peak power creates unique biological effects beyond thermal heating.
Ozturan O, Erdem T, Miman MC, Kalcioglu MT, Oncel S. · 2002
Turkish researchers tested whether 10 minutes of cell phone use affects hearing by measuring sensitive inner ear responses in 30 people with normal hearing. They found no changes in these delicate measurements and no hearing complaints from participants. This was the first study to look specifically at whether mobile phone radiation might damage hearing function.
McNamee JP et al. · 2002
Canadian researchers exposed human white blood cells to 1.9 GHz radiofrequency radiation (similar to cell phone frequencies) for 2 hours at various power levels up to 10 W/kg. They found no DNA damage in the cells compared to unexposed controls, using two different laboratory tests to detect genetic harm. This study suggests that short-term RF exposure at these levels does not cause immediate DNA breaks in immune cells.
