People with autism tend to partner with others on the spectrum, which may raise the condition’s prevalence within families and across the population.

Exposure to influenza and a lack of sunlight may drive the increased risk of autism.

Children born to parents who are 35 or older are at an increased risk of autism; for schizophrenia, the increased risk is limited to those born to mothers in their teens or early 20s.

School and medical records for children with autism in largely Hispanic neighborhoods often do not reflect the children’s condition.

A sweeping study of military health records reveals that children who take drugs to ease autism features are at risk for obesity-related conditions.

A group of savvy parents jump-started autism research in California, but they also set the research agenda.

High levels of chemicals called polychlorinated biphenyls in a pregnant woman’s blood may raise the risk of autism in her child.

Watch the complete replay of Maureen Durkin’s webinar, in which she discussed the epidemiology of autism and intellectual disability, including changes in the prevalence of each condition.

Hillary Clinton releases an expansive mental health care agenda; researchers call for autism research in sub-Saharan Africa; and a scientist alleges gender bias at the National Institutes of Health.

Only a small fraction of women who battle infections during pregnancy have children with autism, suggesting that some infections are riskier than others.