Early Intervention to Reduce Autism Symptoms Shows Promise in Clinical Trial   A new clinical trial seems to show that a specific form of early intervention can reduce the risk of children developing autism spectrum disorder (ASD) as they get older. The study found high-risk infants whose parents were given the intervention went on to have lower rates of being clinically diagnosed with ASD by the time they turned three, compared to families given standard care. Though only a single study, and relatively small, the results may point to a genuine step forward in autism research if further validated. ASD is a complicated condition, both in its suspected causes and symptoms. Genetics and environmental influences, like air pollution exposure during pregnancy or early infancy, are thought to be important risk factors. Symptoms of ASD can range in severity and presentation but tend to include developmental delays, problems with social interaction, repetitive behaviors, sensitivity to touch, light, and sound, and digestive issues. According to the Centers for Disease Control and Prevention, about one in 54 children born today develop ASD. 
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