Chlorpyrifos is a neurotoxin that’s been linked to serious health risks in both children and adults. According to the National Pesticide Information Center, exposure to small amounts of the chemical can cause drooling, headaches and nausea. Prolonged exposure can lead to vomiting, tremors, unconsciousness and paralysis, among other effects.
Article source: https://www.huffingtonpost.com/entry/chlorpyrifos-ban-hawaii-pesticide_us_5b21fd3ee4b09d7a3d7a2fd9