UCLA Newsroom
Study first to implicate pesticide ziram as possible cause for disease
By Mark Wheeler May 26, 2011
In April 2009, researchers at UCLA announced they had discovered a link between Parkinson’s disease and two chemicals commonly sprayed on crops to fight pests.
That epidemiological study didn’t examine farmers who constantly work with pesticides but people who simply lived near where farm fields were sprayed with the fungicide maneb and the herbicide paraquat. It found that the risk for Parkinson’s disease for these people increased by 75 percent. Read more…

