Children with autism are more likely to have both sleep problems and constipation than would be expected based on the prevalence of each of those conditions.

Children who have a rare extra copy of one segment on chromosome 15 have better cognitive abilities and daily living skills than those with a duplication that forms an extra chromosome.

More than half of people on the spectrum have four to five other conditions. Which conditions, and how and when they appear, varies from one autistic person to the next.

Children born to women who had diabetes or high blood pressure while pregnant may be at an increased risk of autism.

An app may help people with autism manage anxiety, adults on the spectrum share the items they use to self-soothe, and autistic children can pick up new words by overhearing them.

Mutations in certain genes contribute specifically to autism, and others only to developmental delay.

A single gene, OTUD7A, may account for most of the features seen in people missing a segment of chromosome 15 known as 15q13.3.

Children with autism do not show the burst of vocabulary growth that usually accompanies learning to walk.

Young children with autism sustain injuries primarily because of co-occurring attention deficit.

Male mice with a genetic variant tied to autism may have learning difficulties that females with the variant do not.