• Parkinson’s disease prevalence is growing fast, and similar to some other neurological conditions, its causes are unclear.
• The potential impact of chemicals that are toxic to neurons in the part of the brain affected by Parkinson’s disease has been investigated since the 1980s.
• Despite this, many chemicals, particularly pesticides and herbicides that are known to pose a risk, are still used in many parts of the world.
• Researchers have now identified a risk of Parkinson’s disease associated with exposure to 14 pesticides.

By Hannah Flynn on March 9, 2024 — Fact checked by Jill Seladi-Schulman, Ph.D.

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