5 March 2015 Last updated at 12:49 ET Autism is largely down to genes, twins study suggests By Michelle Roberts Health editor, BBC News online Genetic influences on autism are estimated to be between 74-98%, a Medical Research Council...

Pediatricians appear to miss autism symptoms in brief checkups, concludes a study conducted at the University of Utah. Researchers studied videos of pediatric exams in which care providers performed autism evaluations for forty-two 15 to 33 month old children....