“…ASD was first described as a disorder in children with problems relating to others, highly sensitive to changes in their environment 62 . Prevalence of ASD appears to have increases over time 63,64 possibly due to a modified definition of ASD, enhanced awareness and improved diagnosis 65,66 , but also to a global increase in air pollutants in most megalopolis 67,68 . The rigorous and sensitive statistical approach used in this meta-analysis allowed analysis of several included studies presenting different data for the same risk (e.g.…”