Pesticides would be strongly associated with Parkinson’s disease
Pesticide exposure is strongly associated with the development of Parkinson’s disease, a brief to be presented by Parkinson Québec to the Quebec Committee on Agriculture, Fisheries, Energy and Natural Resources on September 26 next.
Thememory even goes so far as to evoke a “causal link” between pesticides and parkinsonism, which would mean that exposure to pesticides would then be directly responsible for the appearance of this neurodegenerative disease.
“The vast majority of the epidemiological studies reviewed conclude a doubling of the risk of (Parkinson’s disease) related to exposure to pesticides,” reads the document released Thursday. These epidemiological results have been consistent over time for 30 years (…). “
The brief lists no less than eight meta-analyzes that, between 2000 and 2019, concluded that exposure to pesticides almost doubles the risk of developing Parkinson’s disease. The document adds that occupational exposure, like that incurred by farmers, doubles the risk of disease by three-fold.
Some of the studies mentioned assert that exposure for more than 10 days per year increases the risk of Parkinson’s disease by 2.5 and that 30 days of lifetime exposure to herbicides inside the home increase the risk by 1.7.
“In the (scientific) community as a whole, the link is strong enough to be considered representative of a very, very strong model,” commented Professor Michel Desjardins, a Parkinson’s disease expert who teaches the Department of Parkinson’s. pathology and cell biology of the University of Montreal and to whom La Presse canadienne asked for his opinion. I am not surprised by the numbers they are putting forward, given the effect of some of these chemicals on the cell. ”
Residential exposure within 500 meters of a rotenone, maneb and ziram combination site would almost double this risk.
“With the data today, it’s obvious that no one is going to get close to rotenone,” said Michel Desjardins. It is given to mice and they develop Parkinson’s problems. It is clear that there is much more risk of developing Parkinson’s disease when you are a farmer than when you are a postman. ”
Exhibition to childhood
Tests in mice have shown that exposure during childhood multiplies up to six times the risk of developing Parkinson’s disease.
“It does not surprise me,” said Desjardins. It is clear that these molecules will stimulate the cells that will generate an autoimmune response, and if it develops early in life, it can actually lead more quickly, or more significantly, to Parkinson’s disease. . ”
In Quebec, according to Parkinson Quebec’s brief, 99 percent of urine samples from children aged three to seven years have organophosphorus pesticide metabolites.
More than 25,000 people live with Parkinson’s disease in Quebec.
Parkinson Québec invites the parliamentary commission to intervene at the provincial level by making some 20 recommendations, including:
– Prohibit the use of rotenone, paraquat and maneb products;
– Recognize Parkinson’s disease as an occupational disease, for all people meeting certain criteria;
– Develop a compensation fund for people meeting certain criteria;
– Prohibit the use of all pesticides known to be neurodevelopmentally toxic;
– Reduce pesticide residues in the diet by prohibiting the pre-harvest use of all pesticides;
– Support farmers in transforming their farming practices into organic practices;
– Prohibit the use of pesticides inside and outside health facilities, schools, retirement homes, buildings and residences;
– And restrict the use of pesticides in a perimeter of two kilometers away from residences, buildings and public roads.
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