Health
Studies show a link between exposure to environmental chemicals and autistic behavior in children
_1617072459837_1617072467453.jpg "Studies show a link between exposure to environmental chemicals and autistic behavior in children")
A new study shows increased development of autism-like behavior in preschool children and to selected environmental toxins such as metals, pesticides, polychlorinated biphenyls (PCBs), phthalates, and bisphenol A (BPA). It was found that there was a correlation with the pregnancy exposure of.
A study led by researchers at Simon Fraser University’s Faculty of Health Sciences was published today in the American Journal of Epidemiology.
The census measured levels of 25 chemicals in blood and urine samples collected from 1,861 Canadian women during the first semester of pregnancy. A follow-up study was conducted on 478 participants using a Social Responsiveness Scale (SRS) tool to assess autism-like behavior in preschool children.
Researchers have found that higher maternal concentrations of cadmium, lead, and some phthalates in blood or urine samples are associated with increased SRS scores, and these associations are like autism. We have found it to be particularly strong among children with a high degree of behavior. Interestingly, the study also found that increased maternal concentrations of manganese, transnonaclor, many organophosphorus pesticide metabolites, and monoethyl phthalate (MEP) were most strongly associated with lower SRS scores. It has been pointed out.
Josh Alampi, the lead author of this study, primarily “emphasizes the relationship between selected environmental toxins and increased SRS scores. The association of these environmental chemicals with brain development during pregnancy. Further research is needed to fully assess the impact. “
The results were achieved using a statistical analysis tool called Bayesian quantile regression. This allowed investigators to determine which individual toxins were associated with increased SRS scores in a more subtle way than traditional methods.
“The relationship we found between these toxicants and the SRS score would not have been detected using means-based methods of statistical analysis (such as linear regression),” said Alampi. “Quantile regression is not often used by researchers, but it can be a powerful method for analyzing complex population-based data.”
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