Autistic people have long maintained that repetitive behaviors are beneficial. Emerging evidence in support of this idea is shaping new therapies.

Adults with autism are more than twice as likely as neurotypical people to be diagnosed with an anxiety disorder.

Emergency rooms throughout California are reporting a sharp increase in adolescents and young adults seeking care for a mental health crisis.

Mutations in the gene CSDE1 lead to a constellation of developmental delays and conditions, including autism, according to a new study.

An experimental drug tamps down the expression of a gene duplicated in an autism-related condition and restores typical behavior in mice.

A tiny chunk of the brain’s emotion enter, the amygdala, is enlarged in some autistic children; the larger this piece, the more anxious and depressed the child is likely to be.

Cardiac activity could reveal autism’s physiology and confirm a hunch many clinicians share: that people with autism experience great stress.

Eight mental health conditions occur unusually often in autistic people, a new analysis suggests.

The loss of 21 genes on chromosome 3 may substantially raise the risk of autism.

An auditory therapy may improve autistic people’s emotional control and help them feel safe enough to engage with the world.