http://news.cnet.com/8301-13578_3-57454196-38/fcc-to-re-examine-cell-phone-radiation-standards/?tag=mncol;editorPicks

"The current standards are based on behavioral research conducted on animals in the 1980s. …more than 60 studies in the last decade have shown biological changes to cells at SAR levels less than the current safety standard allowed by the FCC and the FDA."