Early researchers were fired for not coming up with the right answers. There is a lot of money at stake. Those same early researchers have written a book of their findings and it is not pleasing to the cell carriers or their investors and shareholders. I have that book but I am to lazy to go into my library to get the title just now. Here is a report from those researchers that are not fired...
Mobile phone brain cancer link rejected, further research has been published suggesting there is no link between mobile phones and an brain cancer.