Air pollution breathed in by women during pregnancy may be linked to a greater risk of developing autism, according to new research. A review of the latest literature found babies with a genetic predisposition to autism exposed to four common air pollutants were more likely to develop the condition. It's thought that when breathed in during early childhood or in the womb these pollutants can get into the bloodstream. There, they can bypass the protective layers of the brain, causing inflammation, changing the way nerves function and develop.
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