To take the pedantry a step further...I assume you mean you've never seen any reliable data to support a link between cancer and radiation of non-ionizing energies, specifically the frequencies typically used in modern mobile phone communications? 'Cause I think I'm going to have to go ahead and disagree with you there if you meant that statement literally as you wrote it (As will hundreds of thousands of folks involved in various atomic/nuclear attacks, experiments, and accidents over the decades).