The New York Times has carried an article:
"At C.D.C., Evolution of Advice on Phones"A version of this article appears in print on January 2, 2016, on page B1 of the New York edition
http://www.nytimes.com/2016/01/02/technology/at-cdc-a-debate-behind-recommendations-on-cellphone-risk.html "Nevertheless, more than 500 pages of internal records obtained by The New York Times, along with interviews with former agency officials, reveal a debate and some disagreement among scientists and health agencies about what guidance to give as the use of mobile devices skyrockets."
"Christopher J. Portier, former director of the National Center for Environmental Health, the C.D.C. division that made the changes, disagreed with the decision to pull back the revised version. “I would not have removed it,” he said in an interview. “I would have been in support of a recommendation that parents look carefully at whether their children need cellphones or not.”
"The change aroused alarm within the agency, and concerns from some outside experts. An official from the Vermont Health Department forwarded a letter he had received asking about the state’s legal liability for allowing wireless technology in public schools and libraries."
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Prof Marshall's comment: Interesting to see the NYTimes doing its job on this issue, especially after the fiasco where they disciplined the journalist who wrote an article suggesting RF exposure risks. It is .also interesting to see the Vermont official reminding CDC of the complex, yet fragile, web that holds together the current pragma.