Discusses the history of autism, explains the condition from the point of view of the patient, and describes the characteristics of autism. Although the cause is unknown, early diagnosis is beneficial to assisting the patient in receiving appropriate help and support. Characteristics include a triad of impairments in social interaction, social communication, and imagination. The National Autistic Society (NAS) works in a variety of ways to help people with autism live an independent life, including training, volunteer coordination, publications, helpline, and parent outreach.