The role of drinking water sources, consumption of vegetables and seafood in relation to blood arsenic concentrations of Jamaican children with and without Autism Spectrum Disorders

► We investigated the role of exposure to arsenic on autism in Jamaican children. ► We identified factors associated with blood arsenic levels in Jamaican children. ► We did not find an association between autism and blood arsenic in Jamaican children. ► We found that eating some vegetables and avocado were associated with blood arsenic. ► We found that source of drinking and cooking water was associated with blood arsenic.