Story perspectives

EPA to Reassess Paraquat Amid Parkinson's Lawsuits

1/10/2026

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Summary

Story summary

On January 9, 2026, the U.S. Environmental Protection Agency said it will reassess paraquat's safety.
EPA Administrator Lee Zeldin stated manufacturers must demonstrate paraquat's safety in real-world conditions.
Syngenta faces U.S. lawsuits from plaintiffs who allege paraquat exposure caused Parkinson's disease.
Syngenta denies allegations, saying there is no credible evidence linking paraquat to Parkinson's disease.
Paraquat is primarily used in agriculture to control weeds in soybean, corn, and cotton fields.

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Story summary

On January 9, 2026, the U.S. Environmental Protection Agency said it will reassess paraquat's safety.
EPA Administrator Lee Zeldin stated manufacturers must demonstrate paraquat's safety in real-world conditions.
Syngenta faces U.S. lawsuits from plaintiffs who allege paraquat exposure caused Parkinson's disease.
Syngenta denies allegations, saying there is no credible evidence linking paraquat to Parkinson's disease.
Paraquat is primarily used in agriculture to control weeds in soybean, corn, and cotton fields.