July 2008: Ronald Herberman, director of the University of Pittsburgh Cancer Institute, shocked just about all law-abiding scientists (abiding by laws of physics, that is) with his warning last week to his faculty and staff that cell phones might pose a cancer risk.
November 2008: A top official at the National Cancer Institute (NCI) told a congressional panel that published scientific data indicates cell phones are safe.
November 2012: There's no convincing evidence that cellphone use increases the risk of cancer. - Mayo Clinic
August 2014: CDC Retracts its Precautionary Health Warning about Cell Phone Radiation – Replaces it with wireless industry spin.
December 2014: Many scientists believe that cell phones aren’t able to cause cancer. - American Cancer Society
July 29, 2015: New Study - Cellphone radiation can cause cancer
People always love to use health sciences as proof that science is flawed, because the health sciences will always lag behind other sciences for one simple reason: there are ethical reasons we can't just experiment on human beings willy-nilly. But frankly, it's a cheap tactic and you know it. Science remains the only truly effective method of finding the truth, even in this area. Need we compare this to the track record of religion in curing and diagnosing disease?