Scientist Smackdown: Are Environmental Toxins a Huge Cancer Threat?

Yesterday, a government entity called the President's Cancer Panel released an alarming report declaring that environmental toxins are causing "grievous harm" to Americans. The authors of the report (pdf) went on to say that while much more research needs to be done to determine the long-term effects of exposure, they believe that the "true burden of environmentally induced cancer has been grossly underestimated."