In an expansive New York Times article that examines the possible links between cell phones and cancer and reviews the various studies performed on the subject over the last decades, Siddhartha Mukherjee, an assistant professor of medicine in the division of medical oncology at Columbia University, determines that, thus-far, “this extraordinarily wide-cast net has yet to find solid proof of risk for cell phone radiation: not a single trial or test that has attributed carcinogenic potential has been free of problems.”Experts agree that what is clearly needed is a single, definitive, unbiased study. (The National Toxicology Program has begun a study subjecting rats and mice to long-term exposure to cell phone radiation and the experiment is likely to be published in 2014). But as we await the definitive human trial, Mukherjee says, understanding the rigor, labor, evidence and time required to identify a real carcinogen is the first step to understanding what does and does not cause cancer.Read more from the NY Times.