FILE - In this Sept. 27, 2011 photo, Mory Bailo Aw makes a cellphone call from a subway platform to get some last minute directions to a friends house in New York.  The biggest study ever to examine the possible connection between cellphones and cancer found no evidence of any link. The Danish study of more than 350,000 people concluded there was no difference in cancer rates between people who had a cellphone subscription and those who did not.  (AP Photo/Seth Wenig, File)
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