Twin study shows environment interacts with genes in autism

Scientists have found patterns of change in gene activity involved in autism in a study that shed light on how environmental factors can work to turn certain genes on or off and contribute to the development of the brain disorder.

In the largest study of its kind, researchers analysed data from 50 sets of twins to try to find out what might have caused some of them to develop autism while their genetically identical siblings did not.

Read more at The Irish Times.