About 81 percent of autism risk comes from inherited genetic factors, according to an analysis of more than 2 million children from five countries.

Young autistic children may fall into three groups based on the number and type of co-occurring conditions they have.

Less than 1 percent of young children in northern Vietnam have autism, but this prevalence is higher than in previous reports.

Estimates for autism’s prevalence in three U.S. states reveal significant inequalities in how children of different races and ethnicities are counted and assessed.

To boost the participation of marginalized communities in genetic studies, doctors must first win back their trust.

The prevalence of autism among school-aged children in Qatar is higher than the worldwide average.

People with autism who harm themselves are more than 30 times as likely as the general population to commit suicide. The risk is especially pronounced among girls and women on the spectrum.

Autistic children are more likely to have gastrointestinal problems than typical children are, but no more so than children with other brain conditions.

One of the leading theories of autism posits that girls and women are biologically protected from the condition.

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