Study links pesticides to Parkinson's

There's no known cause of Parkinson's, a neurological disorder that can affect movement and talking.

A new study was conducted by scientists at Duke and Miami universities and the Udall Parkinson's Disease Research Center.

Researchers found that those exposed to herbicides and insecticides had a 1.6 times higher risk of developing Parkinson's.

Those with heavy exposure - 200 days over a lifetime - carried double the risk.

Experts say pesticides may play a key role in combination with environment and genetics.
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