This is the first report issued by government research department to prove that cell phone radiation may cause cancer:National Toxicology Program of U.S. has published an important research report to prove that there is a direct link between the cell phone radiation and cancer. In this NTP’s animal study, 2500 male rats were placed in specially built chambers that dosed their whole bodies with electromagnetic radiation, and the researchers found the rats have certain potential to develop brain and heart cancer; while other rats not exposed to radiations were not found any risk of cancer.