Mercury exposure is implicated in neuroinflammatory disorders including autism.
The levels of blood mercury and inflammatory-related neuropeptides in the serum are correlated in children with autism spectrum disorder
Mostafa GA, Bjørklund G, Urbina MA, Al-Ayadhi LY. Metabolic Brain Disease. 2016;31:593–599.
Blood mercury levels and tachykinins (neuropeptides that cause inflammation) were correlated in children with ASD and statistically significantly higher than neurotypical control children. It has been shown that mercury exposure can elicit tachykinin formation, which has been implicated in neuroinflammatory disorders including autism.