Detailed text transcripts for TV channel - CNN - 20110521:03:30:00
Be a potential risk. the public generally assumes if one is selling something on the market, that we have had assurances that that device is safe. >> reporter: to be clear, dr. blaks message is at odds with the largest study on cell phones. their conclusion, little or no evidence cell phones are associated with brain tumors. but if you look just one layer deeper into the appendix of that same study, it turns out participants in the study who use a cell phone for ten years or more, had double the...
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