Two agency letters put California-based Liveyon on warning and alert the public to the risks associated with stem-cell based therapies for autism.

Results from a new trial suggest that it’s safe to treat autistic children with umbilical cord stem cells. But parents must pay for the pricey infusions, and no one knows how or if the cells work.

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

The latest manual of international disease codes is out, a franchise claims to have an autism cure, and two reports diverge on the validity of the social-motivation hypothesis.

Benefits of diets for autism features remain unproven, variants of the same DNA region make brains big or small, and STAT announces a new CRISPR tracker.

Cooperative problem-solving may have kept human brains small, researchers puzzle over new European online privacy rules, and Canadian officials counter unfounded claims of a cure for autism.

Brain waves in infancy forecast autism, people with more autism features have trouble detecting lies, and veterinarians battle claims that vaccines cause autism in dogs.