A drug that treats tumors and epilepsy in people with tuberous sclerosis complex does not boost their intelligence or ease autism traits.

Adults with autism are nearly 50 percent more likely to die in the hospital than their typical peers.

Families of children with mutations in a gene called SYNGAP1 have spurred research into the effects of the mutations on people — and how to treat them.

A new tool calculates the chances of having a seizure in pregnant women who have epilepsy.

The ratio of autistic boys to girls is roughly the same among children with epilepsy, according to a new meta-analysis.

Children in families with a history of brain conditions may be at increased odds of being autistic.

Mice lacking one copy of a gene linked to autism are small and show striking changes in the number and quality of their cries.

A top autism gene called SCN2A plays a role at neuronal connections into adulthood, offering hope for treating mutations after infancy.

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.

A new brain implant pumps chemical signals directly into a target region to ease seizure-like activity in mice.