If you are in the agriculture or groundskeeping industry, you probably have come into contact with paraquat. Parkinson’s disease is a degenerative disorder of the central nervious system that primarily affects movement. There is currently no cure for Parkinson's disease. The herbicide has already been banned in many countries, including China, Brazil, and the EU. Despite this, on October 23, 2020, the EPA refused to ban it in the U.S.