By the time children reach their third birthdays, their behavior can reliably predict whether they have an autism spectrum disorder.
Spectrum: Autism Research News
In the past few years, dozens of research groups have begun studying the younger siblings ― or baby sibs, as they are dubbed ― of children with autism to try to pin down the genetic, developmental and behavioral trajectory of autism and its subtypes. Recognizing symptoms early could also lead to earlier diagnoses and intervention.
In the past two weeks, autism researchers and advocacy groups have been agog with news that autism could be linked to an extremely rare group of metabolic diseases.