Autism's causes are currently being researched. Many specialists believe that there is no one cause, but that genetic factors and environmental Factors may be involved
Autism spectrum disorder can manifest itself in a variety of ways. Some adults and children without autism may exhibit some of the same behaviors and symptoms as people with autism.
Autism is not a physical disability, so individuals with autism look like every other child. This can make it difficult for some people to understand the trait of an autistic person.