A new survey suggests autism prevalence has more than doubled over nine years, but the numbers may reflect only a rise in awareness and better data collection.

Being anemic while pregnant may increase a woman’s chance of having a child with intellectual disability, autism or attention deficit hyperactivity disorder.

A new study that combines data from more than 20 million births has found that a cesarean section delivery is associated with autism and attention deficit hyperactivity disorder.

People on the spectrum, and girls and women in particular, are at high risk of suicide; siblings of autistic people are also at heightened risk.

We asked five autism researchers to weigh in on whether there is a unique brain signature for autism and, if so, how to identify it.

A law implemented four years ago has made it difficult for Dutch children in some regions to have access to mental health care.

Adults with autism tend to have a different set of psychiatric conditions than do those with attention deficit hyperactivity disorder.

Nearly all children who lose their autism diagnosis have other conditions, such as anxiety and language and behavioral disorders.

Children in families with a history of brain conditions may be at increased odds of being autistic.

For autistic people, social difficulties may contribute to troubles with daily living — from brushing teeth to taking a bus.