Agriculture giant announces halt to 'poison' product linked to Parkinson's disease: 'Voices … are being heard'
By Leslie Sattler
Published on March 14, 2026.
Syngenta has announced it will stop producing its paraquat herbicide, a weed killer linked to Parkinson's disease, before July. The company cited rival companies making cheaper copycat versions and said paraquats accounted for less than 1% of its worldwide revenue. The decision comes amidst over 8,000 legal cases by individuals claiming paraquatu exposure to the chemical has caused their Parkinson's Disease. The European Union and several other nations have already outlawed the chemical. The announcement signals a victory for the Parkinson's community, with advocates arguing that advocacy, data, and courage can change the trajectory of disease.
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