Disorders of Environmental Origin Commons^™

Paraquat, Parkinson's Disease, And Agnotology, Amit Ray, E. Ray Dorsey

Articles

This commentary examines the controversial relationship between paraquat, a widely used herbicide, and Parkinson's disease through the lens of agnotology—the deliberate production of ignorance for commercial gain. Despite numerous animal and epidemiological studies linking paraquat to Parkinson's disease, its use in the United States doubled from 2013 to 2018. The authors reveal how the manufacturer allegedly employed tactics similar to the tobacco industry, including attempts to discredit scientific researchers and suppress unfavorable findings. While over 30 countries have banned paraquat due to health risks, the EPA reauthorized its use in 2021. The paper argues that internal company documents and emerging …