A much-touted behavioral therapy for autism, the Early Start Denver Model, may not be as effective as its creators had hoped.

A popular system used to detect speech may not identify most vocalizations produced by autistic children aged 5 and older.

Fragile X syndrome is a leading genetic cause of autism. People who have either condition often share certain traits, such as difficulties in social situations.

The U.S. Drug Enforcement Agency has made it legal for doctors to prescribe an epilepsy drug derived from marijuana. But all other compounds derived from marijuana remain under tight restrictions.

The active ingredient in the drug popularly known as ecstasy eases social anxiety in people with autism.

Responding to serious concerns about its policy defining certain kinds of research as ‘clinical trials,’ the U.S. National Institutes of Health has postponed enforcing parts of the policy until September 2019.