Autism Speaks website says Autism is characterized, in varying degrees, by difficulties in social interaction, verbal and nonverbal communication and repetitive behaviors. The CDC says Autism spectrum disorder (ASD) is a developmental disability that can cause significant social, communication and behavioral challenges. There is often nothing about how people with ASD look that sets them apart from other people, but people with ASD may communicate, interact, behave, and learn in ways that are different from most other people. ASHA says treatment may include any combination of traditional speech and language approaches, alternative communication, and behavioral interventions. If you look under treatments for Autism you see a wide vast array of options. However, to the point, What does the evidence say is at the core of Autism? The repetitive behaviors, the difficulties in social interactions, they are symptoms but not the Core. Even though research says Autism is a develop...