Autism spectrum disorder - Symptoms and causes - Mayo Clinic
Autism spectrum disorder is a condition related to brain development that affects how people see others and socialize with them. This causes problems in communication and getting along with others socially. The condition also includes limited and repeated patterns of behavior.

Autism - Wikipedia
Autism, also known as autism spectrum disorder (ASD), is a condition characterized by differences or difficulties in social communication and interaction, a need or strong prefere

Autism: Symptoms, Causes, Types, and Testing - WebMD
Autistic disorder. This is what most people think of when they hear the word "autism." It affects social interactions, communication, and play in children younger than 3 years.

Signs and Symptoms of Autism Spectrum Disorder
Learn about the signs and symptoms of ASD.

Autism (ASD): Symptoms, Causes, Tests, Treatment & More
ASD describes a group of neurodevelopmental conditions that become evident during early childhood. Certain genetic and environmental factors can contribute to its development. Autism spectrum...

30 Facts to Know about Autism Spectrum Disorder
Autism spectrum disorder is a developmental disability that often presents with challenges before the age of 3 and lasts throughout a person’s lifetime. Early identification, treatment, and support matters! Many important outcomes for children's lives are significantly improved with early diagnosis and treatment.

Autism - World Health Organization (WHO)
The abilities and needs of autistic people vary and can evolve over time. While some people with autism can live independently, others have severe disabilities and require life-long care and support.

Autism support, resources & advocacy | Autism Speaks
Autism Speaks is dedicated to promoting solutions, across the spectrum and throughout the life span, for the needs of individuals with autism and families.

Autism Fact Sheet - National Autism Association
Comorbid conditions often associated with autism include Fragile X, allergies, asthma, epilepsy, bowel disease, gastrointestinal/digestive disorders, persistent viral infections, PANDAS, feeding disorders, anxiety disorder, bipolar disorder, ADHD, Tourette Syndrome, OCD, sensory integration dysfunction, sleeping disorders, immune disorders, auto...

Autism Spectrum Disorder - National Institute of Mental Health (NIMH)
Learn about NIMH research on autism spectrum disorder. Find resources on the signs and symptoms of autism and potential treatments and therapies.