Pharma Lawsuit

Widely Used Industrial Weed Killer Linked to Parkinson’s Disease

Beasley Allen Law Firm is now investigating cases of Parkinson’s disease in people exposed to the weed killer Paraquat, known by the brand name Gramoxone and others. Paraquat is one of the most widely used herbicides, used primarily for weed and grass control.  

 In 2016, the U.S. Environmental Protection Agency (EPA) restricted the use of paraquat to licensed applicators to minimize ingestion and exposure risk based on studies in animal models that showed paraquat exposure was linked to Parkinson’s disease. Thirty-two countries around the world have already banned the herbicide due to its high toxicity.  

 Recent studies conducted by the National Institute of Health’s National Institute of Environmental Health Sciences and the Parkinson’s Institute and Clinical Center in Sunnyvale, California, have found that people exposed to paraquat developed Parkinson’s disease up to 2.5 times more often than non-users. The primary routes of paraquat exposure are during the preparation, application, and post-application of the weed killer.  

 “These findings … may have important implications for the treatment and ultimately the prevention of Parkinson’s disease,” said Caroline Tanner, M.D., Ph.D., clinical research director of the Parkinson’s Institute and Clinical Center, and lead author of the article. 

 More than a dozen lawsuits across the U.S. have been filed against Syngenta, makers of Gramoxone, and Chevron Corporation, which held the rights to sell paraquat in the 1960s under an agreement a company that Syngenta eventually purchased. 

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