What Is Autism?
Autism, also called autism spectrum disorder (ASD), is a complicated, lifelong condition that includes problems with communication and behavior. It's a spectrum disorder, which means it affects people in different ways and in varying degrees. It usually appears by age 2 or 3.
People with autism have trouble with communication. They have trouble understanding what other people think and feel. This makes it hard for them to express themselves, either with words or through gestures, facial expressions, and touch.
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