Air Pollution Linked to Autism
[Source: Science Daily]
The study of children in Shanghai, from birth to three years, found that exposure to fine particles (PM2.5) from vehicle exhausts, industrial emissions and other sources of outdoor pollution increased the risk of developing autism spectrum disorder (ASD) by up to 78%. The study included 124 ASD children and 1240 healthy children (as control) in stages over a nine-year period, examining the association between air pollution and ASD.
The study, published today in Environment International, is first to examine the effects of long-term exposure of air pollution on ASD during the early life of children in a developing country, adding to previous studies that have already linked prenatal air pollution exposure to ASD in children.
“The causes of autism are complex and not fully understood, but environmental factors are increasingly recognized in addition to genetic and other factors,” Associate Professor Guo said.
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