Browse 8,700 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing 829 studies (Cell Studies)
Sharma VP, Singh HP, Kohli RK, Batish DR. · 2009
Researchers exposed mung bean seeds to cell phone radiation (900 MHz) for up to four hours. The radiation significantly stunted growth and germination while triggering oxidative stress that damages cells. This demonstrates that mobile phone radiation can disrupt basic biological processes in living organisms.
Curcio G et al. · 2009
Researchers used brain imaging technology to measure blood flow changes in the frontal cortex of 11 volunteers during 40 minutes of cell phone exposure. They found that real phone exposure caused a gradual increase in deoxygenated blood in brain tissue compared to fake exposure, indicating altered brain activity. This suggests that even brief cell phone use can measurably change how blood flows through critical brain regions.
Unknown authors · 2008
Finnish researchers exposed mouse cells to 50 Hz magnetic fields (the same frequency as power lines) and found that pre-exposure altered how cells responded to DNA damage from a toxic chemical. Cells that were first exposed to magnetic fields showed reduced cell death and altered cell cycle patterns when later exposed to the DNA-damaging agent. This suggests that even low-level magnetic fields can modify cellular responses to other harmful substances.
Unknown authors · 2008
Chinese researchers exposed human eye lens cells to 50 Hz magnetic fields (the same frequency as power lines) and found significant DNA damage after 24-48 hours of exposure. The magnetic field strength used was 0.4 mT, which is stronger than typical household exposure but within ranges found near some electrical equipment. This suggests that prolonged exposure to power line frequencies may damage the genetic material in cells that are crucial for eye health.
Unknown authors · 2008
Finnish researchers exposed human brain cells and mouse cells to 872 MHz radiation (similar to cell phone frequencies) at high power levels, both alone and combined with chemical stressors. They found that RF radiation by itself caused no effects, but when combined with oxidative stress chemicals, it amplified certain cellular damage markers in specific cell types.
Unknown authors · 2008
Italian researchers exposed human skin cells (keratinocytes) to 50 Hz magnetic fields at 1 milliTesla and found the EMF exposure increased cell growth by 48 hours while reducing inflammatory chemical production. The study suggests extremely low frequency electromagnetic fields might help skin healing by blocking inflammatory pathways.
Unknown authors · 2008
Japanese researchers exposed mouse bone-building cells to 60 Hz magnetic fields at 3 mT (3,000 times stronger than typical household levels) and found the fields significantly increased collagen production. The study identified specific cellular pathways involved in this response, showing EMF exposure triggers different biological mechanisms than natural growth factors.
Unknown authors · 2008
UK researchers exposed human skin cells to intermittent extremely low-frequency magnetic fields (50-1000 microT) for 15 hours using switching patterns similar to power lines. They found no DNA damage or chromosomal abnormalities using multiple sensitive detection methods. This contradicts some previous studies that reported genetic damage from similar EMF exposures.
Unknown authors · 2008
Researchers exposed human fibroblast cells to 1800 MHz radiation (similar to cell phone frequencies) for up to 60 minutes at levels comparable to phone use. The cells showed increased oxidative stress and disrupted antioxidant balance, particularly after longer exposures. This suggests that even brief RF exposure can trigger cellular stress responses that could contribute to health effects over time.
Unknown authors · 2008
University of Illinois researchers exposed human immune cells and mouse skin cells to specific electromagnetic fields (50MHz at 0.5 watts) and found the treatment extended cellular lifespan and reduced cell death. The electromagnetic exposure activated protective heat shock proteins, which are the body's natural defense system against cellular damage and aging.
Unknown authors · 2008
This 2008 study exposed human eye lens cells to 1.8 GHz cell phone radiation at various power levels for 24 hours. Researchers found DNA damage and cellular stress at higher exposure levels, but discovered that adding electromagnetic 'noise' completely blocked these harmful effects. However, this study was later retracted by the journal.
Unknown authors · 2008
Researchers developed a theoretical model explaining how microwaves and static magnetic fields work together to affect DNA structure in bacteria and human cells. The model suggests these combined electromagnetic fields cause the DNA-containing nucleoid to rotate slowly in a non-uniform pattern, with the rotation speed dependent on magnetic field strength. This provides a potential mechanism for how non-thermal microwave effects occur.
Unknown authors · 2008
Croatian researchers exposed hamster cells to 935 MHz radiation (similar to old cell phone frequencies) at very low power levels for up to 3 hours. They found that the radiation damaged the internal structure of cells and significantly reduced cell growth three days later. This suggests that even weak radiofrequency radiation can disrupt basic cellular functions.
Unknown authors · 2008
Finnish researchers exposed mouse fibroblasts to 872 MHz radiofrequency radiation at 5 W/kg to test whether cell stress affects EMF sensitivity. They measured cell growth, death signals, and enzyme activity under normal, stimulated, and stressed conditions. No consistent biological effects were found from the RF exposure, regardless of the cells' physiological state.
Unknown authors · 2008
Researchers exposed human skin cells to intermittent extremely low-frequency magnetic fields (50-1000 microTesla) for 15 hours to test for DNA and chromosomal damage. Using multiple sensitive detection methods, they found no evidence of genetic damage from the magnetic field exposure, contradicting some previous studies that reported harmful effects.
Unknown authors · 2008
Researchers exposed human fibroblast cells to 1800 MHz cell phone radiation for up to 60 minutes and measured cellular stress responses. The study found increased production of harmful free radicals after one hour of exposure, along with elevated levels of protective antioxidants, indicating the cells were responding to oxidative stress. While cell survival wasn't affected, the findings suggest even brief RF exposure can disrupt normal cellular chemistry.
Unknown authors · 2008
Croatian researchers exposed hamster cells to 935 MHz radiation (similar to older cell phone frequencies) for up to 3 hours at very low power levels. They found that 3-hour exposures damaged the cell's internal structure and significantly reduced cell growth for days afterward, suggesting that even brief, low-level exposures can disrupt normal cellular function.
Unknown authors · 2008
Researchers exposed human fibroblast cells to 1800 MHz radiofrequency radiation (similar to cell phone frequencies) for up to 60 minutes at levels comparable to phone use. The cells showed signs of oxidative stress after longer exposures, including increased free radicals and changes in cellular antioxidant systems. While cells remained viable, the study demonstrates that RF radiation can disrupt the delicate balance of cellular chemistry even at exposure levels considered safe by current standards.
Unknown authors · 2008
This retracted 2008 study examined how 1.8 GHz cell phone radiation affects DNA damage in human eye lens cells. Researchers found that higher radiation levels (3-4 W/kg) caused DNA damage and increased harmful molecules called reactive oxygen species. Interestingly, adding electromagnetic 'noise' appeared to block these damaging effects.
Unknown authors · 2008
Researchers developed a theoretical model explaining how microwaves and static magnetic fields work together to affect DNA structure in bacterial and human cells. The model proposes that this combination causes the charged DNA core (nucleoid) to rotate slowly and unevenly, with the rotation speed depending on magnetic field properties. This provides a potential mechanism for non-thermal biological effects from microwave radiation.
Unknown authors · 2008
Croatian researchers exposed hamster cells to 935 MHz radiation (similar to older cell phones) at very low power levels for up to 3 hours. They found that the radiation disrupted the cells' internal structure and slowed their growth for several days afterward. This suggests that even weak radiofrequency radiation can interfere with basic cellular functions.
Unknown authors · 2008
Finnish researchers exposed mouse fibroblast cells to 872 MHz radiofrequency radiation (similar to older cell phone frequencies) under different stress conditions to see if cell state affects EMF sensitivity. They found no consistent biological effects on cell growth, death, or key enzyme activity, even when cells were stressed or stimulated. This suggests that varying cell conditions don't explain why EMF studies sometimes produce conflicting results.
Moisescu MG, Leveque P, Bertrand JR, Kovacs E, Mir LM · 2008
French researchers developed a special microscope system to watch living cells in real time while exposing them to mobile phone-like electromagnetic fields at 900 MHz. They found that one hour of exposure at levels similar to heavy cell phone use increased the rate at which cells absorbed materials from their environment (endocytosis), but didn't affect cell division timing or duration. This study is significant because it's one of the few to directly observe cellular changes as they happen during EMF exposure.
Yadav AS, Sharma MK. · 2008
Researchers examined cells from the inside of the mouth in 85 regular cell phone users compared to 24 non-users to look for signs of genetic damage. They found that cell phone users had significantly more micronuclei (small fragments that break off from damaged cell nuclei) - nearly three times more than non-users. The longer people had been using phones, the more genetic damage markers appeared in their cells.
Inoue S, Motoda H, Koike Y, Kawamura K, Hiragami F, Kano Y. · 2008
Researchers exposed rat nerve cells (PC12m3) to 2.45 GHz microwave radiation at 200 watts and found it triggered a 10-fold increase in nerve fiber growth compared to unexposed cells. The microwaves activated specific cellular pathways (p38 MAPK) that promote nerve development, and importantly, this effect occurred without causing cell death or damage. This suggests microwave radiation can directly influence nerve cell behavior through non-thermal biological mechanisms.