Environment may be especially key to autism: study
Contrary to current thinking, environmental factors may play a larger role than shared genes in the development of autism, a new study in twins suggests.
A second study in the same journal finds that anti-depressants during pregnancy may be one important environmental trigger.
In the first study, researchers from Stanford University identified 192 pairs of twins from a statewide California registry of children who receive services for developmental disabilities. At least one twin was diagnosed with an autism spectrum disorder, which researchers confirmed by examining and testing each child.
















