Cell phones and cancer

According to a recently released study by the Environmental Working Group (EWG): “Wireless radiation exposure for children should be hundreds of times lower than current federal limits.” It recommends stricter, lower exposure limits for all radio frequency sources, especially for children. Is there a reason for concern?
Last week with little fanfare, the Environmental Working Group released its latest “report” on the putative harmful effects of cellphone radiation. Right from the start, it features two eye-catching words, "radiation" and "children."