 skin surface) relative to their volume, and have a more permeable blood-brain barrier, and engage in behaviors like crawling and putting objects in their mouths, all of which can contribute to increased risks from exposure to pesticide residues through food or environmental routes.Neurotoxins and other chemicals that originate from pesticides pose the biggest threat to the developing human brain and nervous system.Presence of pesticide metabolites in urine samples have been implicated in disorders such as attention deficit hyperactivity disorder (ADHD), autism, behavioral and emotional problems, and delays in development.