Autism is a developmental disorder characterized by impaired social interaction, difficulty with communication, repetitive behaviors, and narrow, obsessive interests. Autism is considered a spectrum disorder because it can manifest in various ways and its severity can range from mild to disabling. According to the National Institutes of Health, approximately three to six of every 1,000 children are diagnosed with the disorder, and such diagnoses have become more common in recent years. ""Autism"" examines the nature of the disorder, its symptoms, the various types, related disorders, and treatments that may help those affected. Readers will gain an understanding of what scientists believe may cause these spectrum disorders and where the latest research is leading. This informative book also examines the controversy over childhood vaccines that some believe may contribute to autism spectrum disorders. Chapters of this book include: What Is Autism; Who Develops Autism; Causes of Autism; Treatment of Autism - Intervention and Education; Asperger's Disorder; and, Autism - Is There an Epidemic?