Mobile phone radiations are "possibly carcinogenic to humans": WHO - The Hindu and Wikipedia

The World Health Organization (WHO) released a report on 31 May 2011 classifying cell phone radiation as "possibly carcinogenic to humans" (Group 2B on the IARC scale). It was classified as such after a team of scientists reviewed peer-reviewed studies on cell phone safety. One study of past cell phone use cited in the report showed a "40% increased risk for gliomas in the highest category of heavy users (reported average: 30 minutes per day over a 10‐year period)."

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