According to a study out of Toronto, workplace exposure to diesel and gasoline engine exhausts and the risk of colorectal cancer in Canadian men. The International Agency for Research on Cancer (IARC) classifies diesel exhaust as carcinogenic and gasoline exhaust as a possible carcinogenic. The exhaust causes lung cancer. The data was taken from a population-based case-control study with participants taken from seven Canadian provinces from 1994-1997.
The researchers accounted for adjusted for age, province, use of proxy respondents, smoking, body-mass index, physical activity, intake of alcohol, processed meats, and occupational exposure to asbestos and aromatic amines.
There were no significant associations found for gasoline exhaust in this study. However, for those exposed to diesel exhaust, there were some important results. Relative to the unexposed, elevated risks were observed among subjects ever exposed to high concentration levels of diesel emissions for colorectal cancer and rectal cancer, but not colon cancer. More than ten years of diesel exposure equaled an association with a high risk of rectal cancer.
For more information, read the full study.
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Razi Berry, Founder and Publisher of Naturopathic Doctor News & Review (ndnr.com) and NaturalPath (thenatpath.com), has spent the last decade as a natural medicine advocate and marketing whiz. She has galvanized and supported the naturopathic community, bringing a higher quality of healthcare to millions of North Americans through her publications. A self-proclaimed health-food junkie and mother of two; she loves all things nature, is obsessed with organic gardening, growing fruit trees (not easy in Phoenix), laughing until she snorts, and homeschooling. She is a little bit crunchy and yes, that is her real name.