A greater proportion of 3-year-old girls than boys with autism have psychiatric features such as anxiety and moodiness.

A researcher proposes splitting autism into subtypes, mitochondria make neurotransmitters, and highly successful grantees may face a funding cap.

Girls with autism may have less severe restricted and repetitive behaviors than do boys on the spectrum.

A woman with autism had to fight for her sterilization surgery, a mother’s tactics with her son on the spectrum generate controversy, and gifted students with autism have unique struggles.

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

Common genetics may help forge social ties, a nonspeaking woman with autism hosts “The Late Show,” and the mix of bacteria in the gut may relate to brain structure.

The male-dominated sex bias in autism is reversed in a related syndrome, a researcher’s gender could influence her study’s outcome, and an award-nominated ad featuring a young man with autism draws criticism.

A sweeping analysis covers evidence of regression in autism, gender dysphoria is linked to autism features, and animal models of autism receive full treatment in a special tribute.

Adults who have characteristics of autism are about three times as likely as their peers to not identify as heterosexual, homosexual or bisexual.