* Autism is a complex developmental disability that typically appears during the first three years of life.

* Autism results from a neurological disorder that affects the functioning of the brain.

* Delayed social and language skills, inability to interact with peers, lack of social reciprocity, repetitive play, unusual interests and motor mannerisms are common symptoms of autism.

* One in every 165 children in Canada is estimated to have an autism spectrum disorder.

* Autism is four times more common in boys than in girls.

* Intervention as well as educational and behavioural programs aimed at improving interpersonal skills and decreasing repetitive behaviours are common forms of treatment for autism.

* The average annual cost per Canadian living with autism or a related disorder is $29, 000 (based on a 70-year lifespan).