Mobile-Phone Link to Cancer Stirred Up by Rat Study Findings
- Brain and heart tumors seen in rats exposed to radiation
- Prior research divided on whether mobile phone use raises risk
Do Cellphones Pose a Cancer Risk?
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Preliminary findings from a controversial study in rats is reigniting a long-running debate over whether mobile-phone use can cause cancer.
Two types of tumors -- one in the brain, one in the heart -- were spotted in male rats exposed to a type of radiation used by the U.S. wireless telephone industry, according to a 74-page report on partial findings from the U.S. government-funded study. The study follows a flurry of reports published in 2011 that confused more than clarified the cancer risk faced by the world’s billions of mobile-phone users.