Having found similar levels of the toxic waste outside the plant, the local government is checking the health of residents in the neighbourhood.Next a consumer-electronics giant, Matsushita, reported harmful carcinogen levels in the groundwater beneath four of its factories in the Osaka area.
Post-ban particulate air pollution levels were in the Good AQI range, except for 1 venue with a defective gas-fired deep-fat fryer, while post-ban carcinogen levels in all 7 pubs were lower than outdoors.
However, although leukocytes are not the direct target of environmental carcinogens, the level of carcinogen DNA adducts in leukocytes correlates with carcinogen-induced damage in human lung tissues (Peluso et al. 2005; Tang et al. 2001; Wiencke et al. 1995).
In the oil-rich deltas of nearby Nigeria, some village water wells are tainted with benzene, a carcinogen, at levels 900 times above World Health Organisation limits.
"Families are drinking water from wells that is contaminated with benzene a known carcinogen at levels over 900 times above World Health Organization guidelines," said UNEP.
The Swedish government caused consternation in food circles last week by announcing that many cooked foods that are staples of Western diets contain a probable carcinogen at levels that no one suspected would be there.
Cytochrome P450 (CYP) enzymes have the potential to affect colorectal cancer (CRC) risk by determining the genotoxic impact of exogenous carcinogens and levels of sex hormones.
Spatial models were used to evaluate the effect of sources of pollution on lung cancer after adjustment for age, smoking habits, likelihood of exposure to occupational carcinogens, and levels of air particulate.
Based on distance from the sources, spatial models were used to evaluate the risk gradients and the directional effects separately for each source, after adjusting for age, smoking habits, likelihood of exposure to occupational carcinogens, and levels of air particulate.
They reported that the DD CNL MS technique can be used to screen for DNA adducts derived from different classes of carcinogens at levels of adduct modification approaching 1 adduct per 10 unmodified DNA bases when 10 μg of DNA was employed.
