According to the Centers for Disease Control and Prevention (CDC), about one in 59 children have autism. Signs of the condition are usually present at a young age, but occasionally people do not receive a diagnosis until adulthood.
According to the Diagnostic and Statistical Manual of Mental Disorders 5 (DSM-5), doctors categorize autism as level 1, 2, or 3 depending on the severity of the symptoms.
A correct autism diagnosis that includes the level of severity can help doctors and other specialists work with the individual to provide the right treatment and support. In this article, learn more about the levels of autism.