The statistics are alarming and become more so every year. The Centers for Disease Control and Prevention estimates that 1 in 68 children have been identified with an autism spectrum disorder, making it one of the fastest growing developmental disorders in the United States. Further, the CDC estimates that parents with a child on the autism spectrum can have nearly a 20 percent chance of having a second child with autism.In How to Prevent Autism, Dara Berger shares her per...