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Although cell phones make communication easier and more convenient, radiation from devices can be dangerous, according to a new report.
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Researchers at the National Toxicology Program recently conducted a study, initiated under the Clinton administration, to explore the link between cell phones and brain cancer.
To do this, they examined 30,000 rats and mice exposed to radiation nine hours a day for two years. The exposures started before birth and continued until the age of about 2 years.
After analyzing the results, they found that 2 to 3% of the male rats exposed to radiation developed a malignant glioma, a deadly cancer of the brain. They also found that 5-7% of male rats exposed to the highest level of radiation developed cardiac tumors. There was no apparent association between radiation and tumors in female rats.
"We believe that the link between radio radiation and tumors in male rats is real and external experts have agreed," said co-author John Bucher in a statement.
However, scientists have explained that radiation levels and the duration of exposure of animals are much higher than those encountered by humans. For their study, they evaluated the radio radiation used in the 2G and 3G devices manufactured in the 1990s. Today's mobile phones use 4G technology, which penetrates less into the body.
"The exposures used in the studies can not be directly compared to the exposure that humans experience when using a cell phone," Bucher said. "In our studies, rats and mice received radiofrequency radiation all over their body. On the other hand, people are mainly exposed in specific local tissues close to where they hold the phone. In addition, the exposure levels and exposure times in our studies were higher than what people are feeling. "
Researchers now hope to continue their research using newer technologies that will make it easier to evaluate data in weeks or months instead of years.
Do you want to know more about the results? Take a look at the full evaluation here.
© 2018 Cox Media Group.
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