Autism is a difficult diagnosis for any parent. For Robin and John Kirton, it's difficulty times six.
Each of their six children suffers from a different form of the disorder, which affects an estimated one in 150 American children. It's an incredibly rare occurrence that, experts say, points to something in the genes.
Studies have shown that if one child has autism, the chance of the next sibling having it is only about 15 percent.
"They've rolled the dice six times and have a child each...Full Story