Newsweek, August 9, 2008: "Recent headlines have reported new concerns about the links between cell-phone use and brain cancer." The article says that in July 2008 the "Toronto Department of Public Health advised teenagers and young children to limit their cell-phone use, and Dr. Ronald Herberman, the Director of the University of Pittsburgh Cancer Institute, sent out a memo urging his colleagues and their children to do the same." In addition, Dr. Keith Black, the head of neurosurgery at Cedars-Sinai Medical Center in Los Angeles said, "It is not wise for us, at this point, to just assume this is a safe device", referring to cell phones. You can read the entire article by clicking on the link below.
http://blog.newsweek.com/blogs/tipsheet/archive/2008/08/09/kids-cell-phones-and-brain-cancer.aspx