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Preemptive positive parenting intervention in infants reduces ASD at age 3

Typically, intervention for autism spectrum disorder (ASD) doesn't begin until the condition is diagnosed, and diagnosis doesn't occur before age 3. The first trial of an intervention administered to infants before diagnosis has found a statistically significant reduction in ASD behaviors by age 3 years. Treating ASD during the prodromal period is efficacious, the randomized clinical trial found.