Two new words and a text swap in the American Psychiatric Association’s diagnostic “bible” are unlikely to affect clinical practice, experts say.

The connection is likely mediated by environmental, not genetic, factors, according to a new study.

Autistic people from historically marginalized races and ethnicities are more likely than their white peers to be diagnosed with accompanying health conditions.

Despite scant publicly available data, makers of the ‘exposome’-based method say it could help with diagnosing autism and identifying subtypes.

Among thousands of Danish adults diagnosed with autism after age 18, less than half were diagnosed with a psychiatric condition as children, a new study shows.

Motor differences are more relevant than has historically been appreciated for understanding, assessing and supporting people on the spectrum.

For Spectrum’s fourth annual book, we offer a guide to prevalence estimates.

The questionnaires used to screen for autism are far from perfect, and tweaking them may not be enough. Roald Øien wants researchers to find better solutions.

Developmental delay, intellectual disability and behavioral issues are common among people who have mutations in MYT1L, a gene with strong ties to autism.

Insurance claims data are useful for autism research, but the field needs to standardize how they are mined, Shea says.