Autism Causes What Causes Autism? Share Pin Email More in Autism Causes Basics Symptoms Diagnosis Treatment Asperger's Syndrome Adult Autism Children and Autism Applied Behavioral Analysis School and Summer Options Hints and Tips Teens and Autism Support for Parents Positive Living Autism and Family Life Glossary View All Updated April 20, 2016 The cause of autism cannot be detailed exactly. There are large number of causes such as genetics or environment. Understand more about the causes of autism in this video. Up Next Up Next Video Are Vitamins or Special Diets Helpful for Children with Autism? Up Next Video What is the Autism Spectrum? Up Next Video Can Medications Be Helpful in Children with Autism? Up Next Video What Happens When a Child With Autism Grows Up?