Most of the risk of autism has been blamed by experts on inherited genes. Now one of the largest studies of twins and autism shifts the focus to the womb, suggesting that the mother’s age and health may play a larger role than thought.
A simple checklist that parents fill out in the waiting room may help doctors someday screen for warning signs of autism as early as a baby’s first birthday.
Close birth spacing may put a second-born child at higher risk for autism, suggests a preliminary study based on more than a half-million California children.
The first study to link a childhood vaccine to autism was based on doctored information about the children involved, according to a new report on the widely discredited research.
Children born to mothers living near freeways may be twice as likely to have autism, according to a study released Thursday.