Cell phones emit radiofrequency (RF) waves, and the new study found that two common RF waves emitted by cell phones caused DNA damage in mice and rats that were exposed intermittently for a total of slightly more than nine hours per day for 14 to 19 weeks.
The frequencies were the same used in older 2G and 3G technology and the level of exposure was similar to or just slightly higher than potential exposures a human would get from holding a cell phone close to their head, the study authors point out.
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In the past, it was thought cell phone-generated RF was safe if it did not heat the body’s tissues, but in the new study, cell phone radiation was linked to DNA damage even at levels that did not involve any heating.
The findings are published in the Journal of Environmental and Molecular Mutagenesis.
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