Many people on the spectrum take multiple medications — which can lead to serious side effects and may not even be effective.
People with autism tend to partner with others on the spectrum, which may raise the condition’s prevalence within families and across the population.
A DNA deletion linked to autism causes male mice, but not females, to have trouble falling asleep.
A drug called atomoxetine eases hyperactivity in children who have both autism and attention deficit hyperactivity disorder.
Genes linked to autism are associated with a variety of other ailments, including cancer, heart conditions, autoimmune disorders and gut problems.
About 1 in 10 toddlers who have an older sibling with autism have cognitive and motor delays.
People with autism assemble a wish list for researchers, a digital wristband tracks anxiety, and a runner on the spectrum prepares for his Paralympic debut.
Children with autism, attention deficit hyperactivity disorder or obsessive-compulsive disorder all show similar disruptions in brain structure.