The final results of the world’s largest and most costly study that sought to find out if cellphones can cause cancer has been released on Thursday.
The National Toxicology Program experiment, which spanned more than 10 years, involved some 3,000 rodents and cost $30 million, found that radiation from cellphones can cause cancer in male rats.
The male rats that were exposed to radio frequency radiation comparable to that used on 2G and 3G cellphones that were produced in the 1990s developed cancerous tumors in the hearts. Some developed adrenal gland tumors and brain cancer.
The link between radiation and tumors in the female rodents, on the other hand, was unclear.
“We believe that the link between radio-frequency radiation and tumors in male rats is real,” National Toxicology Program senior scientist John Bucher said in a statement released by the National Institute of Environmental Health Sciences.
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