Environment

A study that followed 126 autistic people in England from their preteen years to age 23 found little improvement in their behavioral and emotional problems.

Society for Neuroscience members are demanding sharp cuts to the carbon footprint of its annual meeting.

Older men and women are more likely than young ones to have a child with autism, but this connection is not straightforward.

A child’s environment exerts a strong influence on the severity of her autism, a study of identical twins suggests.

Pregnant women’s use of acetaminophen may increase the odds of autism and attention deficit hyperactivity disorder in their children.

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

Female mice can withstand a maternal antibody that triggers brain abnormalities and autism-like behaviors in males. But additional immune challenges spell trouble.

Exposure to infection in utero may speed up the expression of many genes linked to autism — and hasten changes in brain anatomy.