The role of pesticides is suspected, although not proven, in the occurrence of eight types of cancer on the rise for 25 years, according to the conclusions of the expert group ?Cancer and the Environment? of Inserm.
The collective expertise of the National Institute for Health and Medical Research (INSERM), funded by the French Agency of Health Safety Environment and Labour (Afsset), is the result of a thorough analysis of more than 1,800 scientific papers, made by a panel of experts from several disciplines (epidemiology, toxicology, clinical, occupational medicine, risk quantification). Made public Thursday, October 2 (1), it considered the link between environmental factors and nine types of cancer selected from the first part of the expertise in 2006, due to their increased incidence in 25 years: cancers lung, breast, thyroid, ovary, testis, prostate, mesothelioma, brain tumors and hematological malignancies (leukemia, lymphoma).
The number of cancers has increased in France over 90% between 1980 and 2005. Excluding the part due to demographic trends (growth and aging), this Mesothelioma increase in incidence remains high: 40% on average. ?The Hodgkin?s lymphoma increased by 6% a year became the third most common cancer in women,? said Guy Launoy, director of the Cancer and Population Unit Inserm. Environmental factors are suspected to be the cause of the increase unexplained.
Inserm?s expertise was not limited to the evaluation of carcinogenic ?proven? like the study of the Academy of Medicine in collaboration with INSERM and the International Agency for Research against Cancer (IARC) (an offshoot of the WHO) in 2007 to cause a controversy, but also looked at environmental factors ?uncertain.?
According to the report, pesticides are suspected environmental factors for all cancers studied except mesothelioma. According to Jacqueline Clavel, a researcher in environmental epidemiology of cancers at Inserm, ?there is a strong suspicion on the role of carcinogenic pesticides.? These substances are thus one of the most suspected increase in brain tumors. However, the science points out that ?despite the observation of an increased incidence of several types of cancer (leukemia, lymphoma) in the agricultural population and in children associated with pesticide use, the link between cause and effect is not yet proven. ? Studies of causation must pursue this issue in order to eliminate another possible factor.
From INSERM, most studies suffer from high inaccuracy of exposure to pesticides (types of substances and use) and a lack of knowledge about the risks of environmental contamination (food , air, water). The expert makes recommendations to reduce exposure to pesticides and strengthen information from users and the monitoring of human exposure. The Movement for Rights and respect for future generations (MDRGF) expressed regret over a ?cautious to the extreme? and ?total lack of ambition in the recommendations it advocates.? MDRGF calls on Parliament to support measures to reduce 50% of pesticide use within 10 years and the promotion of organic farming in the voting laws Grenelle I and II this fall.
Other environmental factors ?suspects? for these nine cancers include radon, air pollution (fine particles), radio frequencies, artificial mineral fibers alternatives to asbestos, ionizing radiation, tobacco smoke and other pollutants (dioxins, PCBs, benzene).
The report also confirms the role of several environmental factors proved particularly asbestos for lung cancer and mesothelioma, or ionizing radiation for hematologic malignancies, lung cancer, brain tumors, breast cancer and thyroid.
The experts from INSERM stressed the importance of continuing research efforts to improve knowledge on the long-term effect of low doses of pollutants, including dioxins Thurs and ionizing radiation, as well as the impact of ?mixtures? of several factors and individual susceptibility to risk.
Source: http://widgetfundraising.org/cancer-and-environment-strong-suspicions-on-pesticides
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