A semirural Colombian town called Ricaurte is home to the largest recorded genetic cluster of people with mutations linked to fragile X syndrome.

People with autism who are admitted to the hospital for self-injury tend to have low intelligence quotients and severe repetitive behaviors.

Many girls hide their autism, sometimes evading diagnosis well into adulthood. These efforts can help women on the spectrum socially and professionally, but they can also do serious harm.

Nearly half of adults with autism live with a family member and about one in five is unemployed.

Young people with autism who have psychiatric problems may stand a ninefold greater chance of having an encounter with the police than do others on the spectrum.

After lagging behind other countries for decades, France is working on a new national plan for autism.

The prevalence of autism in the United States remained relatively stable from 2014 to 2016, according to a new analysis.

Autism prevalence plateaued for the years 2014 to 2016, a review finds no evidence that herbal therapies for autism work, and a panel of four proteins in blood may distinguish children with autism.

Many African children with autism are hidden away at home — sometimes tied up, almost always undiagnosed. Efforts to bring the condition into the open are only just beginning.

Cultural barriers lead clinicians to misdiagnose or miss children with autism in immigrant communities.