diesel particulate matter

Tobacco companies did it.  Asbestos-peddlers did it.  Chromium users did it.  The list goes on and on.  When polluters and manufacturers of dangerous products feel threatened by scientific evidence that their pet compound is carcinogenic to humans, they will do everything money can by to avoid the "cancer-causing" label. The latest example comes from diesel-engine manufacturers.   Their efforts come just in time for a meeting of the International Agency for Research on Cancer (IARC) scheduled for June 5-12, 2012.  IARC, an agency within the World Health Organization, is convening an expert…

The Center for Public integrity's Jim Morris was the first to report that two long awaited cancer mortality studies of US workers exposed to diesel exhaust finds significantly elevated levels of lung cancer. Researchers with the National Cancer Institute (NCI) and CDC's National Institute for Occupational Safety and Health (NIOSH) proposed the studies two decades ago, going great lengths to address methodological limitations identified in previous epidemiological studies of diesel exhaust-exposed workers. The bottom line, and with now stronger evidence than ever, there should be no question…