Genetics and man-made chemicals equally to blame, say researchers

Genetics and man-made chemicals equally to blame, say researchers
http://www.irishtimes.com/newspaper/ireland/2012/0221/1224312116516.html
 
"AUTISM: RESEARCHERS AROUND the world continue to struggle with the complexity of autism. They now believe that genetic factors and brain changes triggered by man-made chemicals in the environment are equally to blame for the development of autism in young children."