Pesticide exposure linked to Parkinson’s disease

Rome, May 28 (IANS) Researchers have analysed more than 100 global studies to show that exposure to pesticides, weed killers and solvents is likely to be associated with a higher risk for developing Parkinson’s disease.

The research appears in the May 28 print issue of Neurology, the medical journal of the American Academy of Neurology.

“Due to this association, there was also a link between farming or country living and developing Parkinson’s in some of the studies,” said study author Emanuele Cereda of the IRCCS University Hospital San Matteo Foundation in Pavia, Italy.

Cereda conducted the research along with Gianni Pezzoli of the Parkinson Institute (ICP) in Milan.

The researchers found that exposure to bug or weed killers and solvents increased the risk of developing Parkinson’s disease by 33 to 80 percent.

In controlled studies, exposure to the weed killer paraquat or the fungicides maneb and mancozeb was associated with two times increase in the risk of developing the disease, reports Science Daily.

“We didn’t study whether the type of exposure, such as whether the compound was inhaled or absorbed through the skin and the method of application, such as spraying or mixing, affected Parkinson’s risk,” said Cereda.

“However, our study suggests that the risk increases in a dose response manner as the length of exposure to these chemicals increases,” the researcher added.

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