Children born with high blood levels of vitamin D have 25 percent decreased odds of autism compared with those born with low levels.

Epilepsy in infancy and the use of prescription medications during pregnancy are the strongest of 29 known risk factors for autism in a child.

A journal covering autism in adulthood makes its debut, researchers call for an ethical framework for human organoid studies, and the association between acetaminophen and autism risk comes under scrutiny.

Folic acid, a B vitamin, may lower autism risk and ease features of the condition.

Despite social media rumors, a British children’s television show does not cause autism; childhood anesthesia is not tied to autism risk; and an adult on the spectrum reaches a haunting milestone

Autism is not associated with ultrasound frequency or duration, maternal age and education affect autism odds, and people on the spectrum benefit from their ‘special interests.’

Women who take acetaminophen — commonly marketed as Tylenol in the United States — early in pregnancy may increase their daughters’ risk of language delay.

Children of women who are hospitalized during pregnancy may develop poor physical, social, cognitive or emotional skills.

Microbiologists debate the existence of bacteria in the womb, yet another movie relies on stereotypes to portray a person with autism, and the U.S. federal government delays implementation of the Common Rule for clinical research.

How the brain’s immune cells develop in ‘germ-free’ mice might help explain why autism is more prevalent in boys than girls.