In a research done at the Columbia University Medical Center a strong link was associated between toxic chemicals and autism. The researchers went on to investigate a class of toxin in the category of persistent organic pollutants that linger in the ecosystem even after being banned. And these pollutants enter your body through the food as well as the air you breath. And they not only harm your body but pose a threat to your new born child too with high risk of autism. What is autism? A complex disorder with mostly unknown causes autism is generally problems in communication